WebPera Tolune Sulphonic Acid Powder, For Industrial. ₹ 85 / Kg. Kamdhenu Chemicals. Contact Supplier. Solid Para Toluene Sulfonic Acid Ptsa, Grade Standard: Analytical Grade, Packaging Type: Export Worthy. ₹ 120 / Kg. Jigs Chemical Limited. Contact Supplier. P Toluenesulfonic Acid Powder, For Pharma Chemical. WebOct 17, 2024 · A mild and efficient combined-acid system using a zinc(II) salt [ZnI 2 or Zn(OTf) 2] and p-toluene sulfonic acid (TsOH) was investigated for catalytic cationic cyclizations, including intramolecular hydrocarboxylation, hydroalkoxylation, hydroamination, hydroamidation, hydroarylation and polyene cyclizations.This reaction provides easy …
p-Toluenesulfonic acid ACS reagent, = 98.5 6192-52-5
WebJul 24, 2012 · An efficient and facile method for the synthesis of 3-indolyl-substituted phthalides by Friedel-Crafts alkylation of indoles with 3-hydroxyisobenzofuran-1(3H)-one has been developed. Using only 2 mol-% TsOH·H2O as the catalyst, various substituted indoles can react smoothly at room temperature to give the corresponding phthalides products in … WebJun 13, 2005 · Sulfur Compounds. Chemical Taxonomy Provided by Classyfire. Description. This compound belongs to the class of organic compounds known as p-methylbenzenesulfonates. These are benzenesulfonic acids (or derivative thereof) carrying a methyl group at the para- position. Kingdom. Organic compounds. Super Class. Benzenoids. flughafentaxi antalya
Asam p-toluenasulfonat - Wikipedia bahasa Indonesia, …
WebSep 9, 2024 · The chemical composition of untreated and treated bagasse samples was analysed by NREL method. The detail of the method was according to Huang et al. . The content of cellulose, hemicellulose and lignin in raw material was 46.98%, 20.84% and 23.21%, respectively. p-TsOH (99.5%, analytical grade) was obtained from Sigma-Aldrich … WebTime-saving lesson video on Chemical Reactions with clear explanations and tons of step-by-step examples. Start learning today! Publish Your Course; Educator. ... TsOH: Tosic Acid. 58:28. Addition of ROH Cont. 59:09. Example. 1:01:43. Predict. 1:01:44. Mechanism. 1:03:08. Mechanism for Acetal Formation. 1:04:10. Mechanism for Acetal Formation. WebAsam p-toluenasulfonat. Kecuali dinyatakan lain, data di atas berlaku pada temperatur dan tekanan standar (25 °C [77 °F], 100 kPa). Asam p-toluenasulfonat (PTSA), atau disingkat TsOH, adalah senyawa organik yang memiliki rumus CH 3 C 6 H 4 SO 3 H. Ia berupa padatan berwarna putih yang larut dalam air, alkohol, dan pelarut organik polar lainnya. flughafentaxi heraklion