氯甲基甲基醚 、
(1S,2S,4aR,5S,8aR)-5-Hydroxy-2-(4-methoxycarbonyl-butyl)-1-methyl-decahydro-naphthalene-1-carboxylic acid methyl ester 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以75%的产率得到(1S,2S,4aS,5R,8aR)-2-(4-Methoxycarbonyl-butyl)-5-methoxymethoxy-1-methyl-decahydro-naphthalene-1-carboxylic acid methyl ester