2-[(E)-2-(5-bromo-2-methyl-2H-[1,2,4]triazol-3-yl)-propenyl]-5,8-dimethyl-[1,2,4]triazolo[1,5-a]pyrazine 、
四氢吡咯 以affording 5,8-dimethyl-2-[(E)-2-(2-methyl-5-pyrrolidin-1-yl-2H-[1,2,4]triazol-3-yl)-propenyl]-[1,2,4]triazolo[1,5-a]pyrazine (109 mg, 41.1%) as a white solid的产率得到5,8-dimethyl-2-[(E)-2-(2-methyl-5-pyrrolidin-1-yl-2H-[1,2,4]triazol-3-yl)-propenyl]-[1,2,4]triazolo[1,5-a]pyrazine