2-[(3E,7E)-10-(3-Methoxy-phenyl)-3,4,7-trimethyl-deca-3,7-dienyl]-3-methyl-cyclopent-2-enol 在
tin(ll) chloride 作用下,
以
二氯甲烷 为溶剂,
生成 (5aS,6R,9aR,9bS)-6-[2-(3-Methoxy-phenyl)-ethyl]-3,5a,7,9a-tetramethyl-2,4,5,5a,6,9,9a,9b-octahydro-1H-cyclopenta[a]naphthalene