(2E,7E,9E)-4,11-Bis-(tert-butyl-dimethyl-silanyloxy)-9-methyl-undeca-2,7,9-trienoic acid methyl ester 在
2,6-二叔丁基-4-甲基苯酚 作用下,
以
甲苯 为溶剂,
反应 24.0h,
以57%的产率得到(3S,3aS,4S,5R,7aR)-3-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-6-methyl-2,3,3a,4,5,7a-hexahydro-1H-indene-4-carboxylic acid methyl ester