Novel pyrroloquinoxalines of the formula ##STR1## wherein X and Y are individually selected from the group consisting of hydrogen, halogen, alkyl and alkoxy of 1 to 5 carbon atoms and --NO.sub.2, Z is selected from the group consisting of alkyl of 1 to 8 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, alkenyl of 2 to 6 carbon atoms and phenyl and R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, ##STR2## and non-toxic, pharmaceutically acceptable cations, n is an integer from 1 to 6 and R.sub.1 and R.sub.2 are individually alkyl of 1 to 5 carbon atoms and the non-toxic, pharmaceutically acceptable acid addition salts thereof having antiallergic activity and to a novel process for their preparation.
该专利描述了一种新型
吡咯喹喔啉类化合物,
化学结构如下:其中X和Y分别选自氢、卤素、1至5个碳原子的烷基和烷氧基以及--NO.sub.2的组合,Z选自1至8个碳原子的烷基、3至8个碳原子的环烷基、2至6个碳原子的烯基和苯基,R选自氢、1至5个碳原子的烷基、以及非毒性、药学上可接受的阳离子,n是1至6的整数,R.sub.1和R.sub.2分别为1至5个碳原子的烷基,以及具有抗过敏活性的非毒性、药学上可接受的酸盐,以及其制备的新方法。