(2E,8E)-7-(tert-Butyl-dimethyl-silanyloxy)-2,8-dimethyl-4-oxo-undeca-2,8,10-trienoic acid ethyl ester 在
2,6-二叔丁基-4-甲基苯酚 作用下,
以
甲苯 为溶剂,
反应 72.0h,
以67%的产率得到5-(tert-Butyl-dimethyl-silanyloxy)-1,4a-dimethyl-8-oxo-1,2,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylic acid ethyl ester