EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

4-toluene sulfonic acid
benzenesulfonic acid, 4-methyl- (1:1:1)

Supplier Sponsors

CAS Number: 104-15-4Picture of molecule3D/inchi
Other(deleted CASRN):100901-72-2
ECHA EINECS - REACH Pre-Reg:203-419-9
FDA UNII: QGV5ZG5741
Nikkaji Web:J5.025C
Beilstein Number:0472690
XlogP3:1.70 (est)
Molecular Weight:171.19539000
Formula:C7 H7 O3 S
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:hydrotrope, surfactant agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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PubMed:Search
NCBI:Search
FDA Mainterm (IAUFC):104-15-4 ; 4-METHYLBENZENESULFONIC ACID
 
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 104.50 °C. @ 760.00 mm Hg
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): 0.930 (est)
Soluble in:
 water, 2.023e+005 mg/L @ 25 °C (est)
 water, 6.20E+05 mg/L @ 25 °C (exp)
 
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: surfactants
surfactant - hydrotrope
 
Suppliers:
ECSA Chemicals
P-TOLUENE SULFONIC ACID (PTSA)
ECSA TRADE THE MOST UPDATED FINANCIAL PUBLICATION ON THE WORLD OF CHEMISTRY
OQEMA
p-Toluene Sulphonic Acid (PTSA)
Santa Cruz Biotechnology
For experimental / research use only.
p-Toluenesulfonic acid ≥98%
Sigma-Aldrich
For experimental / research use only.
p-Toluenesulfonic acid monohydrate ACS reagent, ≥98.5%
Stepan Company
STEPANATE® PTSA 65-E
Stepan Company
STEPANATE® PTSA-C
Stepan Company
STEPANATE® PTSA-C99
 
Safety Information:
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-quail LD50 > 316 mg/kg
Ecotoxicology and Environmental Safety. Vol. 6, Pg. 149, 1982.

oral-rat LD50 2480 mg/kg
"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1055, 1986.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category:
hydrotrope, surfactant agents
Recommendation for 4-toluene sulfonic acid usage levels up to:
 not for fragrance use.
 
Recommendation for 4-toluene sulfonic acid flavor usage levels up to:
 not for flavor use.
 
Safety References:
EPI System: View
NIOSH International Chemical Safety Cards:search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):104-15-4
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :6101
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:1
4-methylbenzenesulfonic acid
Chemidplus:0000104154
RTECS:104-15-4
 
References:
 4-methylbenzenesulfonic acid
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:104-15-4
Pubchem (cid):6101
Pubchem (sid):134972723
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Indirect Additives used in Food Contact Substances:View
CHEBI:View
CHEMBL:View
UM BBD:Search
KEGG (GenomeNet):C06677
HMDB (The Human Metabolome Database):Search
ChemSpider:View
Wikipedia:View
Formulations/Preparations:
•grades: anhydrous; monohydrate; 40% aqueous solution •anhydrous grade, monohydrate gradem solution forms, dark brown semicrystaline to crystalline solid.
 
Potential Blenders and core components note
None Found
 
Potential Uses:
 surfactants
 
Occurrence (nature, food, other):note
 not found in nature
 
Synonyms:
 benzenesulfonic acid, 4-methyl-
 benzenesulfonic acid, 4-methyl- (1:1:1)
4-methyl benzene sulfonate
4-methyl benzene sulfonic acid
para-methyl benzene sulfonic acid
4-methylbenzenesulfonic acid
p-methylbenzenesulfonic acid
4-methylbenzenesulphonic acid
 stepanate PTSA 65-E
 stepanate PTSA 65-LS
 stepanate PTSA-C
 stepanate PTSA-C99
4-toluene sulfonate
para-toluene sulfonate
 toluene sulfonic acid
p-toluene sulfonic acid
para-toluene sulfonic acid
 toluene-4-sulfonic acid
 toluene-para-sulfonate
p-toluenesulfonic acid
para-toluenesulfonic acid
p-toluenesulphonic acid
p-toluensulfonic acid
p-toluolenesulfonic acid
para-tolyl sulfonic acid
 

Articles:

US Patents:3,992,457 - Flavoring and perfuming ingredients
PubMed:Reductively degradable α-amino acid-based poly(ester amide)-graft-galactose copolymers: facile synthesis, self-assembly, and hepatoma-targeting doxorubicin delivery.
PubMed:Reaction of arylium ions with the collision gas N2 in electrospray ionization mass spectrometry.
PubMed:Determination of sex-based differences in serum γ-linoleic acid and dihomo-γ-linoleic acid using gas chromatography-mass spectrometry.
PubMed:One-pot four-component synthesis of highly substituted [1,2,4]triazolo[1,5-a]pyrimidines.
PubMed:Organocatalytic Asymmetric Michael/Friedel-Crafts Cascade Reaction of 3-Pyrrolyl-oxindoles and α,β-Unsaturated Aldehydes for the Construction of Chiral Spiro[5,6-dihydropyrido[1,2-a]pyrrole-3,3'-oxindoles].
PubMed:Nanoparticle Formulation of AEA and BAEA Cellulose Carbamates Increases Biocompatibility and Antimicrobial Activity.
PubMed:Diels-Alder reactions of five-membered heterocycles containing one heteroatom.
PubMed:A metal-free tandem C-C/C-O bond formation approach to densely functionalized indolyl 4H-chromenes catalyzed by polystyrene-supported p-toluenesulfonic acid under solvent-free conditions.
PubMed:Convenient and highly efficient routes to 2 H-chromene and 4-chromanone derivatives: iodine-promoted and p-toluenesulfonic acid catalyzed cascade cyclizations of propynols.
PubMed:Synthesis and characterization of secondary nitrosamines from secondary amines using sodium nitrite and p-toluenesulfonic acid.
PubMed:Enzymatically and reductively degradable α-amino acid-based poly(ester amide)s: synthesis, cell compatibility, and intracellular anticancer drug delivery.
PubMed:Correction to p-Toluenesulfonic Acid Mediated 1,3-Dipolar Cycloaddition of Nitroolefins with NaN3 for Synthesis of 4-Aryl-NH-1,2,3-triazoles.
PubMed:Low-temperature chemical synthesis of high-purity diacylglycerols (DAG) from monoacylglycerols (MAG).
PubMed:Fine-tuning the structures of chiral diamine ligands in the catalytic asymmetric aldol reactions of trifluoromethyl aromatic ketones with linear aliphatic ketones.
PubMed:p-Toluenesulfonic acid mediated 1,3-dipolar cycloaddition of nitroolefins with NaN3 for synthesis of 4-aryl-NH-1,2,3-triazoles.
PubMed:Solution-processed poly(3,4-ethylenedioxythiophene) thin films as transparent conductors: effect of p-toluenesulfonic acid in dimethyl sulfoxide.
PubMed:p-Toluenesulphonic acid-promoted, I2-catalysed sulphenylation of pyrazolones with aryl sulphonyl hydrazides.
PubMed:3-Rhoda-1,2-diazacyclopentanes: a series of novel metallacycle complexes derived from C-N functionalization of ethylene.
PubMed:Triple role of phenylselenonyl group enabled a one-pot synthesis of 1,3-oxazinan-2-ones from α-isocyanoacetates, phenyl vinyl selenones, and water.
PubMed:Synthesis, spectral, structural analysis and biological evaluation of a new hydrogen-bonded charge-transfer complex: 2,3-dimethylquinoxalinium-p-toluenesulfonate.
PubMed:Synthesis and anticancer activity of γ-(triazolyl ethylidene)butenolides and polyfunctional pyrrolinones.
PubMed:Catalyst-controlled regio- and stereoselective synthesis of diverse 12H-6,12-methanodibenzo[d,g][1,3]dioxocines.
PubMed:Geminal Brønsted acid ionic liquids as catalysts for the Mannich reaction in water.
PubMed:Cascade reactions in nanoreactors.
PubMed:Metal-free oxidative synthesis of quinazolinones via dual amination of sp3 C-H bonds.
PubMed:The role of the anion in the toxicity of imidazolium ionic liquids.
PubMed:Redox-triggered C-C coupling of diols and alkynes: synthesis of β,γ-unsaturated α-hydroxyketones and furans by ruthenium-catalyzed hydrohydroxyalkylation.
PubMed:Molecular diversity of acid-catalyzed one-pot reaction of arylamines, methyl propiolate, and isatins.
PubMed:Biodiesel production in a membrane reactor using MCM-41 supported solid acid catalyst.
PubMed:Tetraaryl-, pentaaryl-, and hexaaryl-1,4-dihydropyrrolo[3,2-b]pyrroles: synthesis and optical properties.
PubMed:A method for systematic electrochemical and electrophysiological evaluation of neural recording electrodes.
PubMed:Synthesis, growth, structure and spectroscopic characterization of a new organic nonlinear optical hydrogen bonding complex crystal: 3-carboxyl anilinium p-toluene sulfonate.
PubMed:α-MsO/TsO/Cl ketones as oxidized alkyne equivalents: redox-neutral rhodium(III)-catalyzed C-H activation for the synthesis of N-heterocycles.
PubMed:Four-component reaction of cyclic amines, 2-aminobenzothiazole, aromatic aldehydes and acetylenedicarboxylate.
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PubMed:Novel approach for the synthesis of pyrrolo[2,1-c][1,4]benzoxazines and pyrrolo[1,2-a]quinoxalines.
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PubMed:Microstructural and potential dependence studies of urease-immobilized gold nanoparticles-polypyrrole composite film for urea detection.
PubMed:Mapping RNA structure in vitro using nucleobase-specific probes.
PubMed:Synthesis and optimization ring opening of monoepoxide linoleic acid using p-toluenesulfonic acid.
PubMed:Poly(α-hydroxy alkanoic acid)s derived from α-amino acids.
PubMed:Poly(4-styrenesulfonate) as an inhibitor of Aβ40 amyloid fibril formation.
PubMed:Chemo- and regioselective homogeneous rhodium-catalyzed hydroamidomethylation of terminal alkenes to N-alkylamides.
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PubMed:A kinetic study on the formation of poly(4 aminodiphenylamine)/copper nanocomposite using UV-visible spectroscopy.
PubMed:Discrete spherical hexadecavanadates incorporating a bromide with oxidative bromination activity.
PubMed:[Determination of p-toluenesulfonic acid in the air of workplace by HPLC].
PubMed:Microwave assisted synthesis of bis and tris(ω-bromoacetophenones): versatile precursors for novel bis(imidazo[1,2-a]pyridines), bis(imidazo[1,2-a]pyrimidines) and their tris-analogs.
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PubMed:Divergent reaction pathways for one-pot, three-component synthesis of novel 4H-pyrano[3,2-h]quinolines under ultrasound irradiation.
PubMed:Cascade oxidative dearomatization/semipinacol rearrangement: an approach to 2-spirocyclo-3-oxindole derivatives.
PubMed:Preparation of Pt/polypyrrole-para toluene sulfonate hydrogen peroxide sensitive electrode for the utilizing as a biosensor.
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PubMed:Three-component access to pyrroles promoted by the CAN-silver nitrate system under high-speed vibration milling conditions: a generalization of the Hantzsch pyrrole synthesis.
PubMed:Facile synthesis of functionalized tetrahydroquinolines via domino Povarov reactions of arylamines, methyl propiolate and aromatic aldehydes.
PubMed:Synthesis and pharmacological screening of novel meso-substituted porphyrin analogs.
PubMed:A comparison of dilute aqueous p-toluenesulfonic and sulfuric acid pretreatments and saccharification of corn stover at moderate temperatures and pressures.
PubMed:Catalytic asymmetric construction of spiro(γ-butyrolactam-γ-butyrolactone) moieties through sequential reactions of cyclic imino esters with Morita-Baylis-Hillman bromides.
PubMed:Regioselective multi-component synthesis of 1H-pyrazolo[3,4-d]pyrimidine-6(7H)-thiones.
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PubMed:Catalytic hydrogen evolution from a covalently linked dicobaloxime.
PubMed:Ditosylate salt of itraconazole and dissolution enhancement using cyclodextrins.
PubMed:Novel formulations of dipyridamole with microenvironmental pH-modifiers for improved dissolution and bioavailability under hypochlorhydria.
PubMed:Spectroscopic, thermal and mechanical studies on 4-methylanilinium p-toluenesulfonate - a new organic NLO single crystal.
PubMed:Coumarin-trioxane hybrids: synthesis and evaluation as a new class of antimalarial scaffolds.
PubMed:A novel one-pot pseudo-five-component condensation reaction towards bifunctional diazepine-tetrazole containing compounds: synthesis of 1H-tetrazolyl-1H-1,4-diazepine-2,3-dicarbonitriles and 1H-tetrazolyl-benzo[b][1,4]diazepines.
PubMed:PTSA-catalyzed Mannich-type-cyclization-oxidation tandem reactions: one-pot synthesis of 1,3,5-substituted pyrazoles from aldehydes, hydrazines and alkynes.
PubMed:Wormlike micelle assisted rod coating: a general method for facile fabrication of large-area conductive nanomaterial thin layer onto flexible plastics.
PubMed:Dehydration polycondensation of dicarboxylic acids and diols using sublimating strong brønsted acids.
PubMed:Iodine mediated/Brønsted acid-catalyzed dimerization of vinylarenes: a tandem reaction through Ritter trapping to produce N-(4-iodo-1,3-diarylbutyl) acetamides.
PubMed:Pressure-sensitive adhesion system using acrylate block copolymers in response to photoirradiation and postbaking as the dual external stimuli for on-demand dismantling.
PubMed:Efficient, highly diastereoselective MS 4 Å-promoted one-pot, three-component synthesis of 2,6-disubstituted-4-tosyloxytetrahydropyrans via Prins cyclization.
PubMed:Ion pairing and anion-driven aggregation of an ionic liquid in aqueous salt solutions.
PubMed:1-[(1-ethoxypropylidene)amino]-2-ethyl-4-(4-hydroxybenzyl)imidazol-5(4H)-one.
PubMed:An efficient synthesis of highly functionalized novel chromeno[4,3-b]pyrroles and indolizino[6,7-b]indoles as potent antimicrobial and antioxidant agents.
PubMed:Facile synthesis of acid-labile polymers with pendent ortho esters.
PubMed:Enantiomeric resolution of p-toluenesulfonate of valine benzyl ester by preferential crystallizaion.
PubMed:Low-cost gas sensors produced by the graphite line-patterning technique applied to monitoring banana ripeness.
PubMed:Combining click-multicomponent reaction: one-pot synthesis of triazolyl methoxy-phenyl indazolo[2,1-b]phthalazine-trione derivatives.
PubMed:Rapid conversion of spirostans into furostan skeletons at room temperature.
PubMed:Interactions of D-cellobiose with p-toluenesulfonic acid in aqueous solution: a (13)C NMR study.
PubMed:Green synthesis and antimicrobial evaluation of some new trifluoromethyl-substituted hexahydropyrimidines by grinding.
PubMed:Synthesis and electromagnetic, microwave absorbing properties of core-shell Fe3O4-poly(3, 4-ethylenedioxythiophene) microspheres.
PubMed:Heterogeneous catalytic hydrogenation of unprotected indoles in water: a green solution to a long-standing challenge.
PubMed:Synthesis and contractile activity of substituted 1,2,3,4-tetrahydroisoquinolines.
PubMed:Fluorescence study on the structure of ionic liquid aggregates in aqueous solutions.
PubMed:[Treatment of high-concentration butyl-acrylate-production wastewater by A three-phase biological fluidized bed reactor].
PubMed:Synthesis of a series of aromatic benziporphyrins and heteroanalogues via tripyrrane-like intermediates derived from resorcinol and 2-methylresorcinol.
PubMed:Antimicrobial activity of pyrimidinophanes with thiocytosine and uracil moieties.
PubMed:Concentration and fractionation by isoelectric trapping in a micropreparative-scale multicompartmental electrolyzer having orthogonal pH gradients. Part 2.
PubMed:Mild C-H halogenation of anilides and the isolation of an unusual palladium(I)-palladium(II) species.
PubMed:Uremic toxins inhibit transport by breast cancer resistance protein and multidrug resistance protein 4 at clinically relevant concentrations.
PubMed:Quantum chemical study of p-toluenesulfonic acid, p-toluenesulfonate anion and the water-p-toluenesulfonic acid complex. Comparison with experimental spectroscopic data.
PubMed:Glucose oxidase-polypyrrole electrodes synthesized in p-toluenesulfonic acid and sodium p-toluenesulfonate.
PubMed:Supported p-toluenesulfonic acid as a highly robust and eco-friendly isocyanide scavenger.
PubMed:Why two are not enough: degradation of p-toluenesulfonate by a bacterial community from a pristine site in Moorea, French Polynesia.
PubMed:Biodegradable functional poly(ester amide)s with pendant hydroxyl functional groups: synthesis, characterization, fabrication and in vitro cellular response.
PubMed:Encapsulation and release of corrosion inhibitors into titania nanocontainers.
PubMed:Analysis of deprotonated acids with silicon nanoparticle-assisted laser desorption/ ionization mass spectrometry.
PubMed:Interfacial properties of emulsions stabilized with surfactant and nonsurfactant coated boehmite nanoparticles.
PubMed:An efficient and chemoselective procedure for acylal synthesis.
PubMed:An anthracene-based tripodal chemosensor for anion sensing.
PubMed:Bis dihydropyrimidine: synthesis and antimycobacterial activity.
PubMed:Thermo- and acid-responsive photochromic spironaphthoxazine-containing organogelators.
PubMed:A practical synthesis of 5-lipoxygenase inhibitor MK-0633.
PubMed:Chromeno[2,3-d]pyrimidine-triones synthesis by a three-component coupling reaction.
PubMed:Synthesis of (1R,4S,6R)-5,5,6-trimethyl-2-phosphabicyclo[2.2.2]octane and derivatives.
PubMed:Synthesis, characterization and biodegradation of functionalized amino acid-based poly(ester amide)s.
PubMed:A general and convenient preparation of [bis(trifluoroacetoxy)iodo]perfluoroalkanes and [bis(trifluoroacetoxy)iodo]arenes by oxidation of organic iodides using oxone and trifluoroacetic acid.
PubMed:A facile synthesis of 2-aryloxypyrimidine derivatives via a tandem reductive amination/intermolecular S(N)Ar sequence.
PubMed:Improved performance of proton exchange membrane fuel cells with p-toluenesulfonic acid-doped co-PPy/C as cathode electrocatalyst.
PubMed:Back-to-back dinuclear platinum terpyridyl complexes: synthesis and photophysical studies.
PubMed:Structural studies on the full-length LysR-type regulator TsaR from Comamonas testosteroni T-2 reveal a novel open conformation of the tetrameric LTTR fold.
PubMed:Synthesis and study of novel coumarin derivatives potentially utilizable as memory media.
PubMed:Synthetic applications of Pd(II)-catalyzed C-H carboxylation and mechanistic insights: expedient routes to anthranilic acids, oxazolinones, and quinazolinones.
PubMed:Reduction of protons assisted by a hexanuclear nickel thiolate metallacrown: protonation and electrocatalytic dihydrogen evolution.
PubMed:Convenient Synthesis of Acetonide Protected 3,4-Dihydroxyphenylalanine (DOPA) for Fmoc Solid-Phase Peptide Synthesis.
PubMed:PTSA-ZnCl2: an efficient catalyst for the synthesis of 1,2,4-oxadiazoles from amidoximes and organic nitriles.
PubMed:Chemoenzymatic synthesis of feruloylated monoacyl- and diacyl-glycerols in ionic liquids.
PubMed:Diiron proton reduction catalysts possessing electron-rich and electron-poor naphthalene-1,8-dithiolate ligands.
PubMed:Assessing ocular irritation potential using a modified ex vivo rabbit eye test.
PubMed:Silver(I)-catalyzed cascade: direct access to furans from alkynyloxiranes.
PubMed:Hypervalent iodine-catalyzed oxylactonization of ketocarboxylic acids to ketolactones.
PubMed:Brønsted acid-catalyzed propargylation/cycloisomerization tandem reaction: one-pot synthesis of substituted oxazoles from propargylic alcohols and amides.
PubMed:Acid-sensitive Pt(II) 2,6-di(pyridin-2-yl)pyrimidin-4(1H)-one complexes.
PubMed:New one-pot four-component synthesis of disubstituted pyrido[2,3-d]pyrimidine-6-carboxamide derivatives.
PubMed:Use of the sulfide mineral pyrite as electrochemical sensor in non-aqueous solutions: potentiometric titration of weak acids in acetonitrile, propionitrile and benzonitrile.
PubMed:1,4-Fullerenols C60ArOH: synthesis and functionalization.
PubMed:Quasi-equilibrium analysis of the ion-pair mediated membrane transport of low-permeability drugs.
PubMed:Microwave driven wood liquefaction with glycols.
PubMed:A novel three-component reaction for the synthesis of 3-aryl-4H-benzo [1,4] oxazin-2-amine.
PubMed:Synthesis of 1,1-Dioxobenzo[b]thiophene-2-ylmethyloxycarbonyl (Bsmoc) protected N-methyl amino acids by reduction of Bsmoc-5-oxazoli-dinones and their use in peptide synthesis.
PubMed:Adsorption and desorption kinetics of anionic dyes on doped polyaniline.
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PubMed:A novel class of extended pi-conjugated systems: one-pot synthesis of bis-3-aminoimidazo[1,2-a]pyridines, pyrimidines and pyrazines.
PubMed:New lipophilic tyrosyl esters. Comparative antioxidant evaluation with hydroxytyrosyl esters.
PubMed:Characterization of moisture-sensitive raw materials with simple spectroscopic techniques.
PubMed:Improvement of a monitoring tape for nitrogen dioxide in air.
PubMed:A convenient iodination method for alcohols using cesium iodide/methanesulfonic acid and its comparison using cesium iodide/p-toluenesulfonic acid or cesium iodide/aluminium chloride.
PubMed:Promoting neurite outgrowth from spiral ganglion neuron explants using polypyrrole/BDNF-coated electrodes.
PubMed:Novel isocyanide-based three-component one-pot synthesis of cyanophenylamino-acetamide derivatives.
PubMed:Synthesis, biological active molecular design, and molecular docking study of novel deazaflavin-cholestane hybrid compounds.
PubMed:Unusually stable, versatile, and pure arenediazonium tosylates: their preparation, structures, and synthetic applicability.
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PubMed:P-TSA catalyzed facile and efficient synthesis of polyhydroquinoline derivatives through hantzsch multi-component condensation.
PubMed:Novel multicomponent one-pot synthesis of tetrahydro-1H-1,5-benzodiazepine-2-carboxamide derivatives.
PubMed:Eco-friendly methodologies for the synthesis of some aromatic esters, well-known cosmetic ingredients.
PubMed:Selenium-bridged diiron hexacarbonyl complexes as biomimetic models for the active site of Fe-Fe hydrogenases.
PubMed:A novel one-pot pseudo-five-component synthesis of 4,5,6,7-tetrahydro-1H-1,4-diazepine-5-carboxamide derivatives.
PubMed:Synthesis of amphiphilic poly(tetraethylene glycol succinate) and the thermosensitivity of its aggregation in water.
PubMed:Acid-catalyzed nucleophilic aromatic substitution: experimental and theoretical exploration of a multistep mechanism.
PubMed:Versatile acetylation of carbohydrate substrates with bench-top sulfonic acids and application to one-pot syntheses of peracetylated thioglycosides.
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PubMed:Novel isocyanide-based three-component synthesis of 3,4-dihydroquinoxalin-2-amine derivatives.
PubMed:[Hydroxy(tosyloxy)iodo]benzene mediated alpha-azidation of ketones.
PubMed:Synthesis and photoirradiation of isomeric ethylchrysenes by UVA light leading to lipid peroxidation.
PubMed:A novel isocyanide-based three-component reaction: synthesis of highly substituted 1,6-dihydropyrazine-2,3-dicarbonitrile derivatives.
PubMed:A click chemistry approach to glycomimetics: Michael addition of 2,3,4,6-tetra-O-acetyl-1-thio-beta-D-glucopyranose to 4-deoxy-1,2-O-isopropylidene-L-glycero-pent-4-enopyranos-3-ulose--a convenient route to novel 4-deoxy-(1-->5)-5-C-thiodisaccharides.
PubMed:Solid-supported acids as mild and versatile reagents for the deprotection of aromatic ethers.
PubMed:Synthesis and characterization of functional elastomeric poly(ester amide) co-polymers.
PubMed:Analysis of steroid estrogens in water using liquid chromatography/tandem mass spectrometry with chemical derivatizations.
PubMed:Novel functionalizations of [60]fullerene-fused lactones.
PubMed:Adsorption properties of hyperbranched aliphatic polyester grafted attapulgite towards heavy metal ions.
PubMed:Brønsted acid-catalyzed benzylation of 1,3-dicarbonyl derivatives.
PubMed:Use of p-toluenesulfonic acid for the controlled grafting of alkoxysilanes onto silanol containing surfaces: preparation of tunable hydrophilic, hydrophobic, and super-hydrophobic silica.
PubMed:Trisannulated benzene derivatives by Acid catalyzed aldol cyclotrimerizations of cyclic ketones. Methodology development and mechanistic insight.
PubMed:Syntheses of four-membered metallacyclic complexes with nitrosylruthenium and their ring-opening upon HCl addition.
PubMed:A new synthesis of lysophosphatidylcholines and related derivatives. Use of p-toluenesulfonate for hydroxyl group protection.
PubMed:Brønsted acid catalyzed propargylation of 1,3-dicarbonyl derivatives. Synthesis of tetrasubstituted furans.
PubMed:Limited role of inducible nitric oxide synthase in blood-brain barrier function after experimental subarachnoid hemorrhage.
PubMed:Glycosylation in room temperature ionic liquid using unprotected and unactivated donors.
PubMed:Calibration by NMR for quantitative analysis: p-toluenesulfonic acid as a reference substance.
PubMed:The effect of polypyrrole with incorporated neurotrophin-3 on the promotion of neurite outgrowth from auditory neurons.
PubMed:Active-site models for iron hydrogenases: reduction chemistry of dinuclear iron complexes.
PubMed:Iridium(III) silyl alkyl and iridacyclic compounds supported by 4,4'-di-tert-butyl-2,2'-bipyridyl.
PubMed:Sustained production of the labile pheromone component, (Z,Z)-6,9-heneicosadien-11-one, from a stable precursor for monitoring the whitemarked tussock moth.
PubMed:Heterogeneous photocatalytic degradation of p-toluenesulfonic acid using concentrated solar radiation in slurry photoreactor.
PubMed:Synthesis and characterization of palladium(II) complexes with new diphosphonium-diphosphine and diphosphine ligands. Production of low molecular weight alternating polyketones via catalytic CO/ethene copolymerisation.
PubMed:Synthesis of polyhydroxy amino acids based on D- and L-alanine from D-glycero-D-gulo-heptono-1,4-lactone.
PubMed:Explorations on the total synthesis of the unusual marine alkaloid chartelline A.
PubMed:Enhanced protonation of cresol red in acidic aqueous solutions caused by freezing.
PubMed:Further characterization of Mitsunobu-type intermediates in the reaction of dialkyl azodicarboxylates with P(III) compounds.
PubMed:Low level determination of p-toluenesulfonate and benzenesulfonate esters in drug substance by high performance liquid chromatography/mass spectrometry.
PubMed:Synthesis of stable dodecaalkoxy derivatives of hypercloso-B12H12.
PubMed:Rapid and efficient synthesis of poly-substituted quinolines assisted by p-toluene sulphonic acid under solvent-free conditions: comparative study of microwave irradiation versus conventional heating.
PubMed:UV-vis spectroscopy for following the kinetics of homogeneous polymerization of diphenylamine in p-toluene sulphonic acid.
PubMed:[Degradation of p-toluenesulfonate by immobilized Comamonas testosteroni BS1310 (pBS1010) cells].
PubMed:An efficient synthesis of methyl 1,3-O-isopropylidene-alpha-D-fructofuranoside and 2,3:5,6-di-O-isopropylidene-D-glucose dimethyl acetal derivatives from sucrose.
PubMed:Solid-state NMR and the thermal polymerization of 2,4-hexadiyne-1,6-diol bis-(p-toluenesulfonate).
PubMed:Switching of the electronic communication between two {Ru(trpy)(bpy)} (trpy = 2,2':6',2' '-terpyridine and bpy = 2,2'-bipyridine) centers by protonation on the bridging dimercaptothiadiazolato ligand.
PubMed:Intramolecular migration of long chain acyl group of enacyloxin IIa methyl ester.
PubMed:Practical enantioselective synthesis of beta-substituted-beta-amino esters.
PubMed:Determination of methyl and ethyl esters of methanesulfonic, benzenesulfonic and p-toluenesulfonic acids in active pharmaceutical ingredients by solid-phase microextraction (SPME) coupled to GC/SIM-MS.
PubMed:Conversion of sterically hindered diacylated 1,2-phenylenediamines into 2-substituted benzimidazoles.
PubMed:Crystal structure of alpha-hordothionin at 1.9 Angstrom resolution.
PubMed:Mononuclear oxovanadium complexes of tris(2-pyridylmethyl)amine.
PubMed:Structure-activity considerations and in vitro approaches to assess the genotoxicity of 19 methane-, benzene- and toluenesulfonic acid esters.
PubMed:Short synthesis of skeleton-modified cyclodextrin derivatives with unique inclusion ability.
PubMed:An expeditious synthesis of beta-indolylketones catalyzed by p-toluenesulfonic acid (PTSA) using ultrasonic irradiation.
PubMed:Chiral polymers containing a carbohydrate moiety: synthesis.
PubMed:Facile synthesis of 1-substituted 2-amino-3-cyanopyrroles: new synthetic precursors for 5,6-unsubstituted pyrrolo[2,3-d]pyrimidines.
PubMed:Hexaaquacobalt(II) bis(4-toluenesulfonate).
PubMed:A novel outer-membrane anion channel (porin) as part of a putatively two-component transport system for 4-toluenesulphonate in Comamonas testosteroni T-2.
PubMed:Raman spectroscopy of benzenesulfonic and 4-toluenesulfonic acids dissolved in dimethylsulfoxide.
PubMed:Intercalation behavior and tensile strength of DNA-lipid films for the dental application.
PubMed:Application of ionic liquid halide nucleophilicity for the cleavage of ethers: a green protocol for the regeneration of phenols from ethers.
PubMed:Synthesis of 3alpha,7alpha,14alpha-trihydroxy-5beta-cholan-24-oic acid: a potential primary bile acid in vertebrates.
PubMed:Chiral synthesis of (2S,3S)-2-(2-morpholin-2-yl-2-phenylmethoxy)phenol.
PubMed:[Analysis of the anaerobic microbial community capable of degrading p-toluene sulphonate].
PubMed:Solid-phase synthesis of a library of hydroxyproline derivatives.
PubMed:Generating diverse skeletons of small molecules combinatorially.
PubMed:Convenient preparation of L-arabino-hexos-5-ulose derivatives from lactose.
PubMed:[Methanogenic sarcina from an anaerobic microbial community degrading p-toluene sulfonate].
PubMed:An additional regulator, TsaQ, is involved with TsaR in regulation of transport during the degradation of p-toluenesulfonate in Comamonas testosteroni T-2.
PubMed:Thiyl radical reaction with thymine: absolute rate constant for hydrogen abstraction and comparison to benzylic C-H bonds.
PubMed:A sequential Pummerer-Diels-Alder route for the generation and trapping of furo[3,4-c]pyridines: synthesis of heterocyclic analogues of 1-arylnaphthalene lignans.
PubMed:Novel oxidative alpha-tosyloxylation of alcohols with iodosylbenzene and p-toluenesulfonic acid and its synthetic use for direct preparation of heteroaromatics.
PubMed:Antibacterial characteristics of newly developed amphiphilic lipids and DNA-lipid complexes against bacteria.
PubMed:[New photosensitizers of bacteriochlorin series for photodynamic cancer therapy].
PubMed:Characterization of TsaR, an oxygen-sensitive LysR-type regulator for the degradation of p-toluenesulfonate in Comamonas testosteroni T-2.
PubMed:[Unexpected formation of an estrone derivative from androsta-1,4-diene-3,17-dione].
PubMed:Antineoplastic agents 500. Narcistatin.
PubMed:Application of micellar electrokinetic chromatography to the determination of sultamicillin in oral pharmaceutical preparations.
PubMed:Influence of particles on sonochemical reactions in aqueous solutions.
PubMed:Acid catalyzed transesterification as a route to poly(3-hydroxybutyrate-co-epsilon-caprolactone) copolymers from their homopolymers.
PubMed:Tetra-N-confused cyclohexapyrrole: the unusual product formed by condensation of 3,3'-dipyrromethane with tripyrrin-aldehyde.
PubMed:A comparative study of intermolecular interactions in the crystal structures of phenyl/phenyl end-capped oligoanilines.
PubMed:Modification of the swern oxidation: use of a recyclable, polystyrene bound sulfoxide.
PubMed:Novel Brønsted acidic ionic liquids and their use as dual solvent-catalysts.
PubMed:Microwave induced synthesis of ribonucleosides on solid support.
PubMed:Acid-catalyzed formation of hexahomooxacalix[3]arenes.
PubMed:Immobilization of glucose oxidase in polypyrrole/polytetrahydrofuran graft copolymers.
PubMed:A novel approach of combining thin-layer chromatography with surface-assisted laser desorption/ionization (SALDI) time-of-flight mass spectrometry.
PubMed:Sonochemical bromination of acetophenones using p-toluenesulfonic acid-N-bromosuccinimide.
PubMed:Preparation, structure, and properties of the corner-shared double cubes [Mo(6)HgQ(8)(H(2)O)(18)](8+) (Q = S, Se) and tungsten analogues.
PubMed:Microwave-assisted preparation of cyclic ketals from a cineole ketone as potential cosmetic ingredients: solvent-free synthesis, odour evaluation, in vitro cytotoxicity and antimicrobial assays.
PubMed:Synthesis of Substituted 2-Pyridones via the Pummerer Cyclization-Deprotonation-Cycloaddition Cascade of Imidosulfoxides.
PubMed:Reactions of 3-(1-Hydroxyalkyl)phthalides with Acids: Synthesis of (Z)-3-Alkylidenephthalides and 3-Alkyl-8-hydroxyisocoumarins.
PubMed:Sulfur-Bridged Sandwich Cubane-Type Molybdenum-Antimony Cluster. Synthesis, X-ray Structure, and (121)Sb Mössbauer Spectra of [(H(2)O)(9)Mo(3)S(4)SbS(4)Mo(3)(H(2)O)(9)](CH(3)C(6)H(4)SO(3))(8).24H(2)O.
PubMed:An in Situ X-ray Absorption Fine Structure Study of Different Oxidation States of Oxo- and Hydroxo-Bridged Ruthenium Dimers in Acetonitrile Solution.
PubMed:Preparation of and tissue response to DNA-lipid films.
PubMed:Understanding solid/solid organic reactions.
PubMed:Porphyrins with exocyclic rings. 16. Synthesis and spectroscopic characterization of fluoranthoporphyrins, a new class of highly conjugated porphyrin chromophores.
PubMed:Synthesis and antiperoxidant activity of new phenolic O-glycosides.
PubMed:Direct transformation of silyl enol ethers into functionalized allenes.
PubMed:Synthesis of methoxy-2-quinolones via pummerer-type cyclization of N-aryl-N-methyl-3-(phenylsulfinyl)propionamides.
PubMed:Using surfactants to enhance the analyte signals in activated carbon, surface-assisted laser desorption/ionization (SALDI) mass spectrometry.
PubMed:Convergent regiodirected assembly of 2,3-disubstituted furans
PubMed:BtCH(2)TMS-assisted homologation of carboxylic acids: A safe alternative to the arndt-eistert reaction
PubMed:The conversion of 3-C-beta-D-galactopyranosyl phloroacetophenone to a spiroketal derivative.
PubMed:Selective synthesis of novel cyclic phenylazomethine trimers
PubMed:Using the Pummerer cyclization-deprotonation-cycloaddition cascade of imidosulfoxides for alkaloid synthesis.
PubMed:Physical properties of poly(ethylene glycol) (PEG)-based resins for combinatorial solid phase organic chemistry: a comparison of PEG-cross-linked and PEG-grafted resins.
PubMed:The reduction of CrVI to CrIII by the alpha and beta anomers of D-glucose in dimethyl sulfoxide. A comparative kinetic and mechanistic study.
PubMed:Ion-pair partition of quarternary ammonium drugs: the influence of counter ions of different lipophilicity, size, and flexibility.
PubMed:Resonance energy transfer study of hemoglobin complexes with model phospholipid membranes.
PubMed:Oxidative degradation of p-toluenesulfonic acid using hydrogen peroxide.
PubMed:Antitumor agents. 180. Chemical Studies and cytotoxic evaluation of cumingianosides and cumindysoside A, antileukemic triterpene glucosides with a 14,18-cycloapotirucallane skeleton.
PubMed:Sulfur-Bridged Cubane-Type Molybdenum-Gallium Clusters with Mo(3)GaS(4)(n)(+) (n = 5, 6) Cores. X-ray Structures of [Mo(3)GaS(4)(H(2)O)(12)](CH(3)C(6)H(4)SO(3))(5).14H(2)O and [Mo(3)GaS(4)(H(2)O)(12)](CH(3)C(6)H(4)SO(3))(6).17H(2)O.
PubMed:Characterization of the p-toluenesulfonate operon tsaMBCD and tsaR in Comamonas testosteroni T-2.
PubMed:Chemistry of indoles carrying a basic function, Part 3. Synthesis of spiro[cyclopropane-1,3'[3H]indol]-2'(1'H)-ones with antihypoxic effects.
PubMed:Preparation, Structure, and Properties of Bis(&mgr;-oxo)dirhenium(III,IV) and -dirhenium(IV) Complexes of Tris(2-pyridylmethyl)amine and Its (6-Methyl-2-pyridyl)methyl Derivatives.
PubMed:ESR Study of Free Radical Decomposition of N,N-Bis(arylsulfonyl)hydroxylamines in Organic Solution.
PubMed:Preparation and Properties of the Corner-Shared Double Cube [Mo(6)BiS(8)(H(2)O)(18)](8+) as a Derivative of [Mo(3)S(4)(H(2)O)(9)](4+) in Aqueous Acidic Solutions.
PubMed:A Facile and Efficient Synthesis of Thieno[2,3-c]furans and Furo[3,4-b]indoles via a Pummerer-Induced Cyclization Reaction.
PubMed:[Reaction of 3-hydroxy-dihydrosantonin with TsOH. A formal synthesis of dihydrocotunolide].
PubMed:Degradative pathways for p-toluenecarboxylate and p-toluenesulfonate and their multicomponent oxygenases in Comamonas testosteroni strains PSB-4 and T-2.
PubMed:Synthesis and biological activity of 3- and 5-amino derivatives of pyridine-2-carboxaldehyde thiosemicarbazone.
PubMed:Tandem Pummerer-Diels-Alder Reaction Sequence. A Novel Cascade Process for the Preparation of 1-Arylnaphthalene Lignans.
PubMed:Detection of Bence-Jones proteinuria by a modified method.
PubMed:Hydrolysis of the GlcNAc oxazoline: deamidation and acyl rearrangement.
PubMed:Microwave-induced organic reactions of bile acids: esterification, deformylation and deacetylation using mild reagents.
PubMed:Studies on the Chinese crude drug "shoma." IX. Three novel cyclolanostanol xylosides, cimicifugosides H-1, H-2 and H-5, from cimicifuga rhizome.
PubMed:Staining etched epoxy resin sections for light microscopy.
PubMed:Desulfonation of linear alkylbenzenesulfonate surfactants and related compounds by bacteria.
PubMed:3-Sulphocatechol 2,3-dioxygenase and other dioxygenases (EC 1.13.11.2 and EC 1.14.12.-) in the degradative pathways of 2-aminobenzenesulphonic, benzenesulphonic and 4-toluenesulphonic acids in Alcaligenes sp. strain O-1.
PubMed:Chemical synthesis of a comb-shaped, branched stereoregular polysaccharide, 4-O-alpha-D-mannopyranosyl-(1-->6)-alpha-D-mannopyranan.
PubMed:Uptake of 4-toluene sulfonate by Comamonas testosteroni T-2.
PubMed:4-Toluene sulfonate methyl-monooxygenase from Comamonas testosteroni T-2: purification and some properties of the oxygenase component.
PubMed:Synthesis of 4,19-disubstituted derivatives of DOC. Radioreceptor assay of some corticosteroid derivatives in human mononuclear leukocytes.
PubMed:Detection of lyso-platelet-activating factor by high-performance liquid chromatography after derivatisation with fluorescent fatty acids.
PubMed:An approach to trapping gamma-glutamyl radical intermediates proposed for vitamin K dependent carboxylase: alpha,beta-methyleneglutamic acid.
PubMed:Initial steps in the degradation of benzene sulfonic acid, 4-toluene sulfonic acids, and orthanilic acid in Alcaligenes sp. strain O-1.
PubMed:Synthesis of an actinomycin-related peptide lactone from the corresponding cyclic pentapeptide by N,O-acyl shift.
PubMed:Degradation of p-toluenesulphonic acid via sidechain oxidation, desulphonation and meta ring cleavage in Pseudomonas (Comamonas) testosteroni T-2.
PubMed:Synthetic mucin fragments. Benzyl O-beta-D-galactopyranosyl-(1----3)-O-(2-acetamido-2-deoxy-beta-D- glucopyranosyl)-(1----6)-2-acetamido-2-deoxy-alpha-D-galactopyranoside and O-alpha-L-fucopyranosyl-(1----3)-O-(2-acetamido-2-deoxy-beta-D- glucopyranosyl)-(1----6)-2-acetamido-2-deoxy-D-galactopyranose.
PubMed:[Study on metabolism of pyridonecarboxylic acid II. Determination of metabolites of (+-)-7-(3-amino-1-pyrrolidinyl)-6-fluoro-1-(2,4-difluorophenyl)- 1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid p-toluenesulfonate hydrate (T-3262) in blood, urine, bile, and feces].
PubMed:Synthetic mucin fragments. Benzyl O-(2-acetamido-2-deoxy-alpha-D-glucopyranosyl)-(1----3)-O-beta-D- galactopyranosyl-(1----3)-O-[(2-acetamido-2-deoxy-beta-D-glucopyran osy l)- (1----6)]-2-acetamido-2-deoxy-alpha-D-galactopyranoside and benzyl O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-(1----3)-O-beta-D- galactopyranosyl-(1----3)-O-[beta-D-galactopyranosyl-(1----6)]-2-ac eta mido- 2-deoxy-alpha-D-galactopyranoside.
PubMed:[Synthesis and melanoma inhibiting properties of 4-alkylpyrocatechol-2-O-beta-D-glucopyranosiduronic acids and their esters].
PubMed:In-vitro and in-vivo activities of T-3262, a new pyridone carboxylic acid.
PubMed:Synthesis and mutagenicity of a ring-A-aromatized bile acid, 3-hydroxy-19-nor-1,3,5(10)-cholatrien-24-oic acid.
PubMed:Analysis of sub-microgram quantities of nucleotides by fast atom bombardment mass spectrometry.
PubMed:Synthesis of p-nitrophenyl 6(5)-O-benzyl-alpha-maltopentaoside, a substrate for alpha amylases.
PubMed:Observations on the chemical structure and cytotoxic activity of marycin, a hematoporphyrin derivative.
PubMed:Synthesis and antitumor activity of analogues of ifosfamide modified in the N-(2-chloroethyl) group.
PubMed:Synthetic mucin fragments. Methyl 6-O-(2-acetamido-2-deoxy-beta-D- glucopyranosyl)-beta-D-galactopyranoside, methyl 3,4-di-O-(2-acetamido-2-deoxy- beta-D-glucopyranosyl)-beta-D-galactopyranoside, and methyl O-(2-acetamido-2- deoxy-beta-D-glucopyranosyl)-(1----3)-O-beta-D-galactopyranosyl-(1---- 3)-O-(2- acetamido-2-deoxy-beta-D-glucopyranosyl)-(1----3)-beta-D-galactopyr ano side.
PubMed:Stereoselective determination of (beta S,gamma R and beta R,gamma S)-4-[3-(4-acetyl-3-hydroxy-2-propylphenoxy) propylthio]-gamma-hydroxy-beta-methylbenzenebutanoic acid in human and rat plasma by normal-phase high-performance liquid chromatography.
PubMed:The reliability of the use of para toluene sulfonic acid for simultaneous hydrolysis and quantitation of both N-acetyl-glucosamine and amino acids in human transferrins.
PubMed:Determination of methionine sulfoxide in protein and food by hydrolysis with p-toluenesulfonic acid.
PubMed:Synthetic mucin fragments: methyl 3-O-(2-acetamido-2-deoxy-beta-D-galactopyranosyl-beta-D- 3-O-(2-acetamido-2-deoxy-3-O-beta-D-galactopyranosyl- beta-D-glucopyranosyl)-beta-D-galactoyranoside. pyranosyl)-beta-D-galactopyranoside.
PubMed:[Hygienic regulation of sodium toluene sulfonate in reservoir water].
PubMed:An improved fluorogenic substrate for the alternative complement pathway C3/5 converting enzyme CVFBb.
PubMed:3'-Hydroxy- and (+/-)-3',11-dihydroxy-delta 9-tetrahydrocannabinol: biologically active metabolites of delta 9-tetrahydrocannabinol.
PubMed:Immunofluorescent labelling of K-papovavirus antigens in glycol methacrylate embedded material: a method for studying infected cell populations by fluorescence microscopy and histological staining of adjacent sections.
PubMed:The specificity of active-site alkylation by iodoacetic acid in the enzyme thiosulfate sulfurtransferase.
PubMed:Proteinase inhibitors suppress the formation of granulation tissue in the carrageenin-induced inflammation in rats.
PubMed:p-Toluenesulfonic acid/methanol: mild reagent for the preparation of bile acid methyl esters.
PubMed:Further characterization and N-terminal sequence of cobra venom phospholipase A2.
PubMed:The use of p-toluene sulfonate to dissolve synaptosomal membrane proteins into organic solvents.
PubMed:Oxidation of tryptophan to oxindolylalanine by dimethyl sulfoxide-hydrochloric acid. Selective modification of tryptophan containing peptides.
PubMed:A novel synthesis of 2-thioether derivatives of tryptophan. Covalent binding of tryptophan to cysteine sulfhydryl groups in peptides and proteins.
PubMed:Synthesis of dicytidylyl-(3'-5')-1,2-di(adenosin-N6-yl)ethane and dicytidylyl-(3'-5')-1,4-di(adenosin-N6-yl)butane: covalently joined terminals of two transfer ribonucleic acids and their behavior toward snake venom phosphodiesterase.
PubMed:Proteolysis of prothrombin by thrombin. Determination of kinetic parameters, and demonstration and characterization of an unusual inhibition by Ca2+ ions.
PubMed:Nutrition survey of Finnish rural children. IV. Serum cholesterol values in relation to dietary variables.
PubMed:The stereochemistry of the addition of glycerol to D-galactal, catalyzed by beta-D-galactosidase.
PubMed:Arylsulfonate esters of fatty alcohols as hypocholesterolemic agents. I: Oleyl and linoleyl p-toluenesulfonates.
PubMed:Synthesis of O-beta-D-galactopyranosyl-(1 linked to 4)-O-(2acetamido-2-deoxy-beta-D-glucopyranosyl)-(1 linked to 2)-D-mannose and its interaction with various lectins.
PubMed:Characterization of pig pancreatic kallikreins A and B.
PubMed:Preparation and Baeyer-Villiger Reaction of certain 2-carbalkoxycyclopropyl methyl ketones.
PubMed:Alkylthiocolchicines and N-deacetyl-alkylthiocolchicines and their antileukemic activity.
PubMed:Synthesis of 2-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-D-mannose, and its interaction with D-mannose-specific lectins.
PubMed:The behavior of some aldoses with 2,2-dimethoxypropane-N,N-dimethylformamide-p-toluenesulfonic acid. II. At 80 degrees.
PubMed:The behavior of some aldoses with 2,2-dimethoxypropane-N,N-dimethylformamide-p-toluenesulfonic acid. I. At room temperature (25 degrees).
PubMed:Quantitative analysis of tryptophan modified by 2-hydroxy-5-nitrobenzyl reagents after hydrolysis with p-toluenesulfonic acid.
PubMed:"Plasmalogen-type" cyclic acetals: formation and conformation of the 1,3-dioxanes and 1,3-dioxolanes from 1-0-cis-alk-1'-enyl-sn-glycerols.
PubMed:Hydrolysis of proteins with p-toluenesulfonic acid. Determination of tryptophan.
PubMed:The behavior of 2-acetamido-2-deoxy-d-mannose with isopropenyl acetate in the presence of p-toluenesulfonic acid. II. Evidence bearing on the mechanism of the formation of 3,4,6-tri-O-acetyl-2-(n-acetylacetamido)-1,2-dideoxy-d-arabino-hex-1-enopyranose and of 2-(D-glycero-1,2-diacetoxyethyl)-4-(N-acetylacetamido)furan.
PubMed:The behavior of 2-acetamido-2-deoxy-d-mannose with isopropenyl acetate in the presence of p-toluenesulfonic acid. I. Isolation and identification of derivatives of 2-amino-D-glucal (2-amino-1,2-dideoxy-D-arabino-hex-1-enopyranose) and of other products.
PubMed:[DETERMINATION OF ALKALOIDS IN PLANTS BY MEANS OF THE NON-AQUEOUS TITRATION WITH P-TOLUENESULFONIC ACID].
PubMed:PROVITAMIN A2 FROM LUTEIN.
PubMed:[Titrations in non-aqueous media. VII. Study of the conditions for microtitrations with p-toluenesulfonic acid in a chloroform medium].
PubMed:[Damage caused by the methyl ester of p-toluenesulfonic acid].
PubMed:[The p-toluenesulfonic acid test].
PubMed:[The precipitation reaction to p-toluenesulfonic acid in liver diseases].
PubMed:[The p-toluenesulfonic acid precipitation reaction].
PubMed:[On the clinical value of the p-toluenesulfonic acid test].
PubMed:[On the specificity of the p-toluenesulfonic acid precipitation test for disseminated lupus erythematosus. Its relation to tests of eucolloidity and to the blood protein picture].
PubMed:[Study of p-toluenesulfonic acid serum test. Its application to the rapid determination of the gamma-globulin levels].
PubMed:Evaluation of the p-toluenesulfonic acid test for systemic lupus erythematosus.
 
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