By diazotization of 3-(2-aminophenyl)quinoxaline-2(lH)-one la and 3-(2-aminophenyl)-6,7-dimethylquinoxaline-2(lH)-one 1b followed by the reaction with sodium sulphite new quinoxalino[1,2-c]-[1,2,3]benzotriazins 4a and 4b were prepared, respectively.
由3-(2-
氨基苯基)
喹喔啉-2(升的重氮化ħ) -酮
LA和3-(2-
氨基苯基)-6,7- dimethylquinoxaline -2(ħ) -酮1B,接着用
亚硫酸钠反应分别制备了新的
喹喔啉[1,2- c ]-[1,2,3]苯并三嗪4a和4b。