Disclosed is a method of making 2,4,5-trihalobenzoic acid by heating to a temperature of about 130 to about 190°C a composition that comprises water, a mineral acid, and a compound having the general formula
where "X" is fluorine, chlorine, or bromine and "R" is alkyl from C₁ to C₁₀ or aryl. The fluorine product is useful in making quinolone antibacterial drugs.
本发明公开了一种制造 2,4,5-三卤
苯甲酸的方法,该方法是将包含
水、矿物酸和通式如下的化合物的组合物加热至约 130 至约 190°C 的温度
其中 "X "为
氟、
氯或
溴,"R "为 C₁ 至 C₁₀ 烷基或芳基。
氟产品可用于制造喹诺
酮类抗菌药物。