(S)-4-[Dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-3-methyl-2-trimethylsilanylmethyl-but-1-ene 在
Keck catalyst 、 4 A molecular sieve 作用下,
以
二氯甲烷 为溶剂,
反应 8.0h,
生成
(2S,5S)-6-[Dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-2-hydroxy-5-methyl-4-methylene-hexanoic acid methyl ester