dimethyl 2-[(2E,8E,10E)-12-chloro-2-(methoxymethoxy)-3-methyl-6-(phenylmethoxymethyl)dodeca-2,8,10-trienyl]propanedioate 在
sodium hydride 作用下,
以
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
生成
(9aS,9bS)-7-Benzyloxymethyl-9b-methoxymethoxy-9a-methyl-2,3,3a,5a,6,7,8,9,9a,9b-decahydro-1H-cyclopenta[a]naphthalene-2-carboxylic acid methyl ester 、 (3aS,5aR,9aS,9bS)-7-Benzyloxymethyl-9b-methoxymethoxy-9a-methyl-1,3,3a,5a,6,7,8,9,9a,9b-decahydro-cyclopenta[a]naphthalene-2,2-dicarboxylic acid dimethyl ester 、 (3aR,5aS,9aS,9bS)-7-Benzyloxymethyl-9b-methoxymethoxy-9a-methyl-1,3,3a,5a,6,7,8,9,9a,9b-decahydro-cyclopenta[a]naphthalene-2,2-dicarboxylic acid dimethyl ester