、 (3S)-8-methyl-4-oxo-3-(triethylsilyloxy)non-7-en-5-ynal 在
methyllithium lithium bromide 作用下,
以
四氢呋喃 、
乙醚 为溶剂,
生成
(7S,9S,E)-9-hydroxy-10-(hydroxymethyl)-2-methyl-7,12-bis(triethylsilyloxy)dodeca-2,10-dien-4-yn-6-one 、 (7S,9R,E)-9-hydroxy-10-(hydroxymethyl)-2-methyl-7,12-bis(triethylsilyloxy)dodeca-2,10-dien-4-yn-6-one