(2S,3R)-3-hydroxy-2-methyl-4-methylideneoctanoic acid methyl ester 、
2-甲基丙烯醛 在
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 0.95h,
生成 (2R,3R)-3-hydroxy-2-(1-hydroxy-2-methyl-2-propenyl)-2-methyl-4-methylideneoctanoic acid methyl ester 、 (2S,3R)-3-hydroxy-2-(1-hydroxy-2-methyl-2-propenyl)-2-methyl-4-methylideneoctanoic acid methyl ester