(2E,4E)-5-[(R)-4-(tert-Butyl-dimethyl-silanyloxy)-2,6,6-trimethyl-cyclohex-1-enyl]-3-methyl-penta-2,4-dienenitrile 在
sodium hydride 、
二异丁基氢化铝 作用下,
以
四氢呋喃 为溶剂,
生成 (2E,4E,6E,8E)-9-[(R)-4-(tert-Butyl-dimethyl-silanyloxy)-2,6,6-trimethyl-cyclohex-1-enyl]-3,7-dimethyl-nona-2,4,6,8-tetraenenitrile