(4-((3S,4S)-3-methyl-4-(3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine-7-carbonyl)piperidin-1-yl)quinolin-7-yl)boronic acid 、
2-bromo-4-methyloxazole hydrochloride 在
dichloro[1,1'-bis(di-t-butylphosphino)ferrocene]palladium(II) 、
caesium carbonate 作用下,
以
1,4-二氧六环 、
水 为溶剂,
生成 ((3S,4S)-3-methyl-1-(7-(4-methyloxazol-2-yl)quinolin-4-yl)piperidin-4-yl)(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)methanone