7-oxo-1,3,5-cycloheptatrienecarboxylic acid ethyl ester 、
1-cyano-2-((trimethylsilyl)methyl)allyl acetate 在
tris(dibenzylideneacetone)dipalladium (0) 、 phosphoramidite ligand L
5 作用下,
以
甲苯 为溶剂,
以77%的产率得到ethyl (1S,6R,7S)-7-cyano-8-methylidene-10-oxobicyclo[4.3.1]deca-2,4-diene-1-carboxylate