| 摘要 |
Process for the preparation of N-(hydroxyalkyl)-2-quinoxalinecarboxamide-1,4-dioxides through treatment of 2-quinoxalinecarboxylic acid, aminoalkyl ester, 1,4-dioxide acid addition salts with a base in a reaction-inert solvent at 10 DEG -60 DEG C. and pH of 7-14. |
