(3Z,5E,11E)-7-Methoxy-12-methyl-cyclotetradeca-3,5,11-triene-1,1-dicarboxylic acid dimethyl ester 以
neat (no solvent) 为溶剂,
反应 3.0h,
生成 (4aR,4bR,8R,8aR,10aR)-8-Methoxy-4a-methyl-3,4,4a,4b,5,6,7,8,8a,10a-decahydro-1H-phenanthrene-2,2-dicarboxylic acid dimethyl ester 、 (4aR,4bR,8S,8aR,10aR)-8-Methoxy-4a-methyl-3,4,4a,4b,5,6,7,8,8a,10a-decahydro-1H-phenanthrene-2,2-dicarboxylic acid dimethyl ester