(Z,2R,3R,8R,9R)-9-tert-butyldiphenylsilanyloxymethyl-8-chloro-3-bromo-2-bromomethyl-2,3,4,7,8,9-hexahydro-oxonine 在
sodium cyanide 作用下,
以
六甲基磷酰三胺 为溶剂,
反应 0.33h,
以65%的产率得到(Z,8R,9R)-(9-tert-butyldiphenylsilanyloxymethyl-8-chloro-4,7,8,9-tetrahydro-3H-oxonin-2-ylidene)-acetonitrile