WebFeb 17, 2024 · p-Toluenesulfonic acid monohydrate (p-TsOH·H 2 O) may be used as a catalyst in the synthesis of the following: Unsymmetrical benzils. Highly substituted piperidines. 1,3,5-Trisubstituted benzenes by trimerization of alkynes. Triazoloquinazolinone and benzimidazoquinazolinone derivatives. 1,3,5-Trisubstituted pyrazoles derivatives. p-Toluenesulfonic acid (PTSA or pTsOH) or tosylic acid (TsOH) is an organic compound with the formula CH3C6H4SO3H. It is a white extremely hygroscopic solid that is soluble in water, alcohols, and other polar organic solvents. The CH3C6H4SO2 group is known as the tosyl group and is often abbreviated as Ts … See more TsOH is prepared on an industrial scale by the sulfonation of toluene. Common impurities include benzenesulfonic acid and sulfuric acid. TsOH monohydrate contains an amount of water. To estimate the total moisture … See more Alkyl tosylates are alkylating agents because tosylate is electron-withdrawing as well as a good leaving group. Tosylate is a pseudohalide. Toluenesulfonate esters undergo See more • Tosyl • Collidinium p-toluenesulfonate See more • TsOH may be converted to p-toluenesulfonic anhydride by heating with phosphorus pentoxide. • When heated with acid and water, TsOH undergoes hydrolysis to toluene: CH3C6H4SO3H + … See more
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Webp-Toluenesulfonic acid monohydrate, 97%, Thermo Scientific Chemicals. CAS: 6192-52-5 Molecular Formula: C7H10O4S Molecular Weight (g/mol): 190.213 MDL Number: MFCD00142137 InChI Key: KJIFKLIQANRMOU-UHFFFAOYSA-N Synonym: p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid … WebJul 1, 2024 · Overview. I am a practicing clinical psychologist and Professor of Psychiatry and Behavioral Sciences at the University of California San Francisco (UCSF). I also serve … can i use a walmart gift card at murphy gas
Catalytic systems containing p-toluenesulfonic acid …
WebNational Center for Biotechnology Information WebPTSA or pTsOH or Tosylic acid (TsOH) is a white solid organic compound, that is soluble in water, alcohols and other polar organic solvents. The group is known as the tosyl group … WebAug 13, 2014 · In the present study, the authors examine the catalytic behavior of p-toluenesulfonic acid as a catalyst for the coupling reaction, and to optimize the reaction … five nines wireless