(S)-[1-(1-allyloxyethyl)-1-vinylallyloxy]-tert-butyldimethylsilane 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
生成 (2S,3R)-tert-butyldimethyl(2-methyl-3-vinyl-3,6-dihydro-2H-pyran-3-yloxy)silane 、 (2S,3S)-tert-butyldimethyl(2-methyl-3-vinyl-3,6-dihydro-2H-pyran-3-yloxy)silane