(7S,8R,9R,10Z)-8-[(4-methoxyphenyl)methoxy]-7,9-dimethyltrideca-10,12-dien-6-one 、
碘甲烷 在
lithium bis(dimethylphenylsilyl)amide 作用下,
生成 (Z)-(5R,7S,8R,9R)-8-(4-Methoxy-benzyloxy)-5,7,9-trimethyl-trideca-10,12-dien-6-one 、 (Z)-(5S,7S,8R,9R)-8-(4-Methoxy-benzyloxy)-5,7,9-trimethyl-trideca-10,12-dien-6-one