N-(3-amino-5-tert-butyl-2-methoxy-phenyl)-methanesulfonamide 、
1-(5-carboxy-2-methyl-phenyl)-1H-imidazole-4-carboxylic acid ethyl ester 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
以44%的产率得到1-[5-(5-tert-butyl-3-methanesulfonylamino-2-methoxy-phenylcarbamoyl)-2-methyl-phenyl]-1H-imidazole-4-carboxylic acid ethyl ester