2-(3-(4-(4-methoxybenzoyl)piperidin-1-yl)-2-oxopyrrolidin-1-yl)acetic acid 、
3,4-dihydro-2H-pyrano[2,3-d]pyridazin-5-amine hydrobromide 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
二氯甲烷 为溶剂,
反应 73.0h,
以98.7 mg的产率得到N-(3,4-dihydro-2H-pyrano[2,3-d]pyridazin-5-yl)-2-(3-(4-(4-methoxybenzoyl)piperidin-1-yl)-2-oxopyrrolidin-1-yl)acetamide