The first asymmetric syntheses of l-homocysteine and l-homocystine
摘要:
Asymmetric syntheses of L-homocysteine 1 and L-homocystine 2 are described. Alkylation of the carbanion derived from Schollkopf reagent 3 and ensuing hydrolyses gave S-triphenylmethyl-L-homocysteine 6, Removal of the triphenylmethyl group gave L-homocysteine 1 and subsequent oxidation provided L-homocystine 2. (C) 1999 Elsevier Science Ltd. All rights reserved.