1-[[2S(2α,4aα,7α,8aβ)]-3-allyl-4,4,7-trimethyl-octahydrobenzo[e][1,3]oxazin-2-yl]-2-methylpropan-1-one 、
3-Butenylmagnesium bromide 以
乙醚 为溶剂,
以83%的产率得到(3S)-3-[[2S(2α,4aα,7α,8aβ)]-3-allyl-4,4,7-trimethyl-octahydrobenzo[e][1,3]oxazin-2-yl]-2-methylhept-6-en-3-ol