2-methyl-2-{[4-({3-methyl-4-[(6-methylpyridin-3-yl)oxy]phenyl}amino)quinazolin-5-yl]oxy}propanoic acid 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 18.0h,
以92%的产率得到6,6-dimethyl-4-{3-methyl-4-[(6-methylpyridin-3-yl)oxy]phenyl}-4H-[1,4]oxazepino[5,6,7-de]quinazolin-5(6H)-one