1-chloro-5H-benzo[c][1,8]naphthyridin-6-one 、
2-乙炔基-α,α,α-三氟甲苯 在
1-{[2-(trifluoromethyl)phenyl]ethynyl}benzo[c]-1,8-naphthyridin-6(5H)-one 作用下,
以to provide 254 (18 mg, 12% yield) as a tan solid的产率得到1-{[2-(trifluoromethyl)phenyl]ethynyl}benzo[c]-1,8-naphthyridin-6(5H)-one