A direct regioselective preparation of 2-hydroxynaphthalene-6-carboxylic acid, a useful industrial intermediate of aro-m......

采用1，2-萘醌-4-磺酸钠体系分光光度法测定磺胺甲嗯唑（SMZ）。磺胺甲嗯唑与1，2-萘醌-4-磺酸钠在pH=10．0的缓冲溶液中发生亲核取代反应生......