A practical synthesis of ethyl (R)- and (S)-2-hydroxy-4-phenylbutanoate and d-homophenylalanine ethyl ester hydrochloride from l-malic acid
作者:Wen-Qing Lin、Ze He、Yi Jing、Xin Cui、Hui Liu、Ai-Qiao Mi
DOI:10.1016/s0957-4166(01)00285-3
日期:2001.7
With the readily available L-malic acid as starting material. both enantiomers of ethyl 2-hydroxyl-4-phenylbutanoates and D-homophenylalanine ethyl ester hydrochloride were prepared conveniently in excellent optical purity and 64. 53 and 49% overall field. respectively. (C) 2001 Published by Elsevier Science Ltd.