2-[(E)-2-(5-bromo-2-methyl-2H-[1,2,4]triazol-3-yl)-vinyl]-5,8-dimethyl-[1 ,2,4]triazolo[1,5-c]pyrimidine 、
(R)-2-三氟甲基吡咯烷 以affording 5,8-dimethyl-2-{(E)-2-[2-methyl-5-((R)-2-trifluoromethyl-pyrrolidin-1-yl)-2H-[1,2,4]triazol-3-yl]-vinyl}-[1,2,4]triazolo[1,5-c]pyrimidine (17 mg, 14.5%) as a light yellow solid的产率得到5,8-dimethyl-2-{(E)-2-[2-methyl-5-((R)-2-trifluoromethyl-pyrrolidin-1-yl)-2H-[1,2,4]triazol-3-yl]-vinyl}-[1,2,4]triazolo[1,5-c]pyrimidine