Synthesis of Thioesters from Carboxylic Acids via Acyloxyphosphonium Intermediates with Benzyltriethylammonium Tetrathiomolybdate as the Sulfur Transfer Reagent
An efficient protocol is reported for the synthesis of thioesters from carboxylicacids with use of acyloxy phosphonium salts as intermediates and benzyltriethylammoniumtetrathiomolybdate as the sulfurtransferreagent
Synthesis of chalcogenol esters from chalcogenoacetylenes
作者:Antonio L Braga、Tales L.C Martins、Claudio C Silveira、Oscar E.D Rodrigues
DOI:10.1016/s0040-4020(01)00200-9
日期:2001.4
Thiol and selenol esters were conveniently prepared in good yields by reacting chalcogenoacetylenes with trifluoroacetic acid in dichloromethane in the presence of silica. (C) 2001 Elsevier Science Ltd. Ah rights reserved.