((Z)-3-Cyano-2-methyl-allyl)-phosphonic acid bis-(2,2,2-trifluoro-ethyl) ester 、
(2Z,4Z)-5-(4-Hydroxy-2,6,6-trimethyl-cyclohex-1-enyl)-3-methyl-penta-2,4-dienal 在
sodium hydride 作用下,
生成 (2Z,4E,6Z,8Z)-9-(4-Hydroxy-2,6,6-trimethyl-cyclohex-1-enyl)-3,7-dimethyl-nona-2,4,6,8-tetraenenitrile 、 (2E,4E,6Z,8Z)-9-(4-Hydroxy-2,6,6-trimethyl-cyclohex-1-enyl)-3,7-dimethyl-nona-2,4,6,8-tetraenenitrile