、 4-bromo-9H-pyrido[2,3-b]indole 、
(3-(4-(叔-丁氧基羰基)哌嗪-1-基)苯基)硼酸 在
四(三苯基膦)钯 tert-butyl 4-(3-(9H-pyrido[2,3-b]indol-4-yl)phenyl)piperazine-1-carboxylate 作用下,
以90 mg (52% yield) of compound 22 were isolated的产率得到tert-butyl 4-(3-(9H-pyrido[2,3-b]indol-4-yl)phenyl)piperazine-1-carboxylate