4-哌啶基哌啶 、
ethyl 6-chloro-8-dimethylaminopyrazolo<5,1-c>pyrimido<4,5-e><1,2,4>triazine-3-carboxylate 以
N,N-二甲基甲酰胺 为溶剂,
以58%的产率得到ethyl 12-(dimethylamino)-10-(4-piperidin-1-ylpiperidin-1-yl)-2,3,7,8,11,13-hexazatricyclo[7.4.0.02,6]trideca-1(9),3,5,7,10,12-hexaene-5-carboxylate