1-{2-amino-6-[(2-aminoethyl)amino]pyridin-3-yl}-2,2,2-trifluoroethanone hydrochloride 、
ethyl {4-[5-chloro-7-(2,4-dichlorophenyl)[1,2,4]triazolo[1,5-c]pyrimidin-2-yl]piperidin-1-yl}-acetate 在
N,N-二异丙基乙胺 作用下,
以
二甲基亚砜 为溶剂,
反应 0.5h,
以90%的产率得到ethyl (4-{5-[(2-{[6-amino-5-(trifluoroacetyl)pyridin-2-yl]amino}ethyl)amino]-7-(2,4-dichloro-phenyl)[1,2,4]triazolo[1,5-c]pyrimidin-2-yl}piperidin-1-yl)acetate