cis-chiral-N-[(1R,3S)-3-(hydrazinecarbonyl)cyclohexyl]-N-methyl-3-(trifluoromethyl)benzamide 、
2,3-dimethylimidazole-4-carboxylic acid hydrochloride 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以37.6%的产率得到cis-chiral-N-[(1R,3S)-3-[[(2,3-dimethylimidazole-4-carbonyl)amino]carbamoyl]cyclohexyl]-N-methyl-3-(trifluoromethyl)benzamide