2-chloro-6-morpholin-4-yl-N4-(2,2,2-trifluoro-ethyl)-pyrimidine-4,5-diamine 、
sodium nitrite 在
5-chloro-7-morpholin-4-yl-3-(2,2,2-trifluoro-ethyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine 作用下,
以to give the final product (430 mg, 68% yield)的产率得到5-chloro-7-morpholin-4-yl-3-(2,2,2-trifluoro-ethyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine