发明公开
EP0495426A2 Preparation of 3,5-dichlorophthalic acid and 3,5-dichlorophthalic anhydride 失效
Herstellung von 3,5-Dichlorphthalsäureund von 3,5-Dichlorphthalsäureanhydrid。

Preparation of 3,5-dichlorophthalic acid and 3,5-dichlorophthalic anhydride
摘要:
Polychlorophthalimides, specifically, N-substituted tetrachlorophthalimides and N-substituted trichlorophthalimides may be treated with zinc and a base in aqueous solution to yield, after acidification, the product 3,5-dichlorophthalic acid or salts thereof.
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