(3Z,5E,11E)-11,12-Dimethyl-cyclotetradeca-3,5,11-triene-1,1,8,8-tetracarboxylic acid tetramethyl ester 以
甲苯 为溶剂,
反应 1.33h,
以65%的产率得到(4aR,4bR,8aR,10aR)-4a,4b-Dimethyl-1,3,4,4a,4b,5,6,8,8a,10a-decahydro-phenanthrene-2,2,7,7-tetracarboxylic acid tetramethyl ester