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US5233054A Process for the preparation of halophthalic anhydrides 失效
制备卤代邻苯二甲酸酐的方法

Process for the preparation of halophthalic anhydrides
摘要:
Halophthalic anhydrides are prepared by the liquid phase reaction of a brominating agent with halogen substituted hexa- or tetra-hydrophthalic anhydrides.
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