1-tosyl-4-vinyl-1,4-dihydro-2H-benzo[d][1,3]oxazin-2-one 、
4-{[(4E)-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene]methyl}benzonitrile 在
tris-(dibenzylideneacetone)dipalladium(0) 、
(3aR,3a'R,8aS,8a'S)-2,2'-(cyclopropane-1,1-diyl)bis(3a,8a-dihydro-8H-indeno[1,2-d]oxazole) 作用下,
以
甲基叔丁基醚 为溶剂,
以94 %的产率得到4-[(2'S,4R,4'S)-3-methyl-5-oxo-1-phenyl-1'-tosyl-4'-vinyl-1,1',4',5-tetrahydro-2'H-spiro[pyrazole-4,3'-quinoline]-2'-yl]benzonitrile