methyl 4-[3-(2,4-dichlorophenyl)-1,9-dimethyl-2-oxo-2,9-dihydro-1H-pyrido[2,3-b]indol-6-yl]-2,4-dioxobutanoate 在
盐酸羟胺 作用下,
以
甲醇 为溶剂,
反应 4.0h,
生成
Methyl 5-[3-(2,4-dichlorophenyl)-1,9-dimethyl-2-oxo-2,9-dihydro-1H-pyrido[2,3-b]indol-6-yl]isoxazole-3-carboxylate