(3aS,8R,8aR)-8-Hydroxy-3a,8-dihydro-1H-cyclopenta[a]indene-8a-carboxylic acid methyl ester 、
(S)-(+)-alpha-甲氧基苯乙酸 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 作用下,
以
二氯甲烷 为溶剂,
生成 (3aS,8R,8aR)-8-((S)-2-Methoxy-2-phenyl-acetoxy)-3a,8-dihydro-1H-cyclopenta[a]indene-8a-carboxylic acid methyl ester 、 (3aR,8S,8aS)-8-((S)-2-Methoxy-2-phenyl-acetoxy)-3a,8-dihydro-1H-cyclopenta[a]indene-8a-carboxylic acid methyl ester