Medium Buffer Effects on the Condensation of l-Cysteine and Aryl Nitriles to (R)-2-Aryl-4,5-dihydrothiazole-4-carboxylic Acids
作者:Lukas Hintermann、Oleg Maltsev、Valérianne Walter、Matthias Brandl
DOI:10.1055/s-0033-1339492
日期:——
The condensation of L-cysteine and aryl nitriles to (R)-2-aryl-4,5-dihydrothiazole-4-carboxylic acids in buffered media was reinvestigated. Pure products (yields of 58-95%; up to 99% ee) were obtained in a NaHCO3/NaOH-buffered aqueous alcoholic medium.