3-p-bromobenzoyl-2,4-dihydro-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-trione 、
(Z)-4-(4-chlorophenylamino)pent-3-en-2-one 以
苯 为溶剂,
反应 0.05h,
以89%的产率得到9-acetyl-4-(4-bromobenzoyl)-7-(4-chlorophenyl)-3-hydroxy-1-(2-hydroxyphenyl)-8-methyl-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-dione