N-[1-(3,5-dichlorophenyl)but-3-enyl]-N-(2-trifluoromethylallyl)carbamic acid methyl ester 在
tri(cycloxexyl)phosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene][benzylidene]ruthenium(IV) dichloride 作用下,
以
甲苯 为溶剂,
反应 0.5h,
以79%的产率得到2-(3,5-dichlorophenyl)-5-trifluoromethyl-3,6-dihydro-2H-pyridine-1-carboxylic acid methyl ester