申请人:Dong Hanqing
公开号:US20120108812A1
公开(公告)日:2012-05-03
Processes including preparation of trans-4-[(3-amino-5-oxo-4,5-dihydro-[1,2,4]triazin-6-ylmethyl)-carbamoyl]-cyclohexanecarboxylic acid methyl ester, and its conversion to trans-4-(4-amino-5-substituted-imidazo[5,1-f][1,2,4]triazin-7-yl)-cyclohexanecarboxylic acid compounds.
该过程包括制备trans-4-[(3-
氨基-5-氧代-4,5-二氢-
[1,2,4]三嗪-6-基甲基)-
氨甲酰基]-
环己烷羧酸甲酯,以及将其转化为trans-4-(4-
氨基-5-取代
咪唑[5,1-f]
[1,2,4]三嗪-7-基)-
环己烷羧酸化合物。