申请人:Hoechst Aktiengesellschaft
公开号:US04226997A1
公开(公告)日:1980-10-07
8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8-tetrahydro-2-quinolone, the hydrochloride or hydrobromide thereof and their manufacture by reacting 3,4,5,6,7,8-hexahydro-2-quinolone with chlorine or bromine in an inert solvent at 10.degree. to 50.degree. C. with heating of the reaction mixture to 60.degree. to 80.degree. C. after the halogen addition.
8-氯-5,6,7,8-四氢-2-喹啉酮和8-溴-5,6,7,8-四氢-2-喹啉酮,其盐酸盐或溴酸盐,以及它们的制备方法是通过在惰性溶剂中将3,4,5,6,7,8-六氢-2-喹啉酮与氯或溴反应,反应温度在10℃至50℃之间,在卤素加入后加热反应混合物至60℃至80℃。