[1-[5-[6-Chloro-3-(dimethoxymethyl)hexyl]thiophen-2-yl]-2-cyanoethyl] acetate 在
sodium hydroxide 、 lithium aluminium tetrahydride 作用下,
以
乙醚 为溶剂,
生成 (+)-<2R-<2α(R*),9α(R*),9aβ>>-5-<2-<2-<5-<6-chloro-3-(dimethoxymethyl)hexyl>-2-thienyl>hexahydro-2H,6H-pyrido<2,1-b><1,3>oxazin-9-yl>ethyl>-β-hydroxy-2-thiophenepropanenitrile