7-(1-(N-ethylmethylsulfonamido)ethyl)-6-methylpyrrolo[1,2-b]pyridazine-5-carboxylic acid 、 3-(aminomethyl)-4-methoxy-6-methylpyridin-2(1H)-one hydrochloride 在
三乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 4.0h,
以10.5%的产率得到7-(1-(N-ethylmethylsulfonamido)ethyl)-N-((4-methoxy-6-methyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methylpyrrolor[1,2-b]pyridazine-5-carboxamide