Prelog-Djerassi lactone. Preparation of the grieco intermediate from (−)--pulegenic acid.
作者:Salih Hacini、Maurice Santelli
DOI:10.1016/s0040-4020(01)89521-1
日期:1989.1
The Grieco intermediate 2, for the synthesis of the Prelog-Djerassi lactone, was obtained from trans-pulegenic acid 3 in 6 steps in 43 % overall yield; recycling unwanted diastereoisomer 8(S), increased the yield to 56 %.
用于合成Prelog-Djerassi内酯的Grieco中间体2分6步从反式多菌酸3中获得,总收率为43%。回收不需要的非对映异构体8(S),可将收率提高到56%。