... Download full text in PDF. Tetrahedron Letters, Vo1.22, No-36, PP 3467 - 3470, 1981 0040-4039/81/363467-04$02.00/1 Printed in Great Britain 981 Pergamon Press Ltd. 3-AMINOACYL-TETRAHYDROTHIAZOLE-2-THIONE AS AN ACTIVE AMIDE FOR PEPTIDE SYNTHESIS (1)1,2 Li Chung-hsi, Yieh Yuen-hwa, Lin Yao, Lu Yong-jun, Chi Ai-hsueh, Hsing Chi-yi* Department of Chemistry, Peking University, Peking, China. ...