((R)-2-cyano-1-ethyl-ethyl)-carbamic acid isopropyl ester 、
乙烯基氯化镁 、
叔丁基二苯基氯硅烷 生成 [(1R,3S)-3-(tert-butyl-diphenyl-silanyloxy)-1-ethyl-pent-4-enyl]-carbamic acid isopropyl ester 、 [(1R,3R)-3-(tert-butyl-diphenyl-silanyloxy)-1-ethyl-pent-4-enyl]-carbamic acid isopropyl ester