(S)-(+)-alpha-甲氧基苯乙酸 、
(4S,4aR,8S,8aS)-4a,5,8,8a-tetrahydro-4-hydroxy-6,8-dimethylnaphthalen-1(4H)-one 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 作用下,
以75%的产率得到(S)-Methoxy-phenyl-acetic acid (1S,4aS,5S,8aR)-5,7-dimethyl-4-oxo-1,4,4a,5,8,8a-hexahydro-naphthalen-1-yl ester