Wang Shu-zhao
2008
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Journal
Chemistry & Bioengineering
Abstract
With 4,5-dichlorophthalic acid as raw material,4,5-dichlorophthalonitrile was synthesized through dehydration by acetic anhydride,imidization by formamide,ammonolysis by ammonia solution and dehydration by phosphorus oxychloride.It was found that 4,5-dichlorophthalamide could be directly synthesized with one-pot method,which not only simplified the operation,but also improved the reaction yield.