D-5,9-dimethyl-3-oxo-decanoic acid methyl ester 、 [(Z,2S)-1-(2,5,7,8-tetramethyl-6-phenylmethoxy-3,4-dihydrochromen-2-yl)pent-3-en-2-yl] acetate 生成 methyl (5R)-5,9-dimethyl-3-oxo-2-[(E,2S)-5-[(2S)-2,5,7,8-tetramethyl-6-phenylmethoxy-3,4-dihydrochromen-2-yl]pent-3-en-2-yl]decanoate