3-(2,4,6-trimethylbenzoyl)-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-trione 在
diphenyl ether-biphenyl eutectic 作用下,
反应 0.17h,
以36%的产率得到2-(2-oxo-2H-1,4-benzoxazin-3-yl)-4-(2,4,6-trimethylbenzoyl)-3-(2,4,6-trimethylbenzoyloxy)pyrido[2,1-c][1,4]benzoxazine-1,5-dione