6,11-dihydro-5H-dipyrido[2,3-b:4',3'-f]azepin-5-one 、
N,N-二甲基甲酰胺二甲基缩醛 在
氮气 、
(E)-6-((dimethylamino)methylene)-6,11-dihydro-5H-dipyrido[2,3-b:4',3'-f]azepin-5-one 作用下,
以
四氢呋喃 为溶剂,
反应 72.0h,
以to give the desired product, (E)-6-((dimethylamino)methylene)-6,11-dihydro-5H-dipyrido[2,3-b:4′,3′-f]azepin-5-one (0.745 g) as a brown solid, which的产率得到(E)-6-((dimethylamino)methylene)-6,11-dihydro-5H-dipyrido[2,3-b:4',3'-f]azepin-5-one