4-[(2-cyclopentyl-6-methyl-5-oxo-2,6,9,11-tetrazabicyclo[5.4.0]undeca-7,9,11-trien-10-yl)amino]-3-methoxy-benzoic acid 、
甲胺 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
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
以44%的产率得到4-[(6-cyclopentyl-2-methyl-3-oxo-2,6,8,10-tetrazabicyclo[5.4.0]undeca-7,9,11-trien-9-yl)amino]-3-methoxy-N-methyl-benzamide