N-[1-(4-fluorophenyl)but-3-enyl]-N-(2-trifluoromethylallyl)carbamic acid tert-butyl 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 1.0h,
以99%的产率得到2-(4-fluorophenyl)-5-trifluoromethyl-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester