2-amino-4-(4-chlorophenyl)-4,5-dihydro-5-oxopyrano[3,2-c]chromene-3-carbonitrile 、
(E)-N,N-dimethyl-4-((phenylimino)methyl)aniline 以
正丁醇 为溶剂,
反应 10.0h,
以30%的产率得到7-(4-chlorophenyl)-10-[4-(dimethylamino)phenyl]-8,9,10,11-tetrahydro-6H,7H,8H-[3,1]oxazino[5',4':5,6]pyrano[3,2-c]chromene-6,8-dione