tert-butyl 3-amino-4-cyanopyrrolidine-1-carboxylate 、 1-chloro-4-(4-(trifluoromethyl)phenyl)phthalazine 在
caesium carbonate 、 [1,3-bis(2,6-di-3-pentylphenyl)imidazol-2-ylidene](3-chloropyridyl)dichloropalladium(ll) 作用下,
以
1,4-二氧六环 为溶剂,
生成 trans-tert-butyl 3-cyano-4-((4-(4-(trifluoromethyl)phenyl)ph thalazin-1-yI)amino)pyrrolidine-1-carboxylate 、 cis-tert-butyl 3-cyano-4-((4-(4-(trifluoromethyl)phenyl)phthalazin-1yl)amino)pyrrolidine-1-carboxylate