CAS: 21327-86-6; 2-Chloro-6-Methylbenzoic Acid

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CAS号4389-50-8 2-氨基-6-甲基苯甲酸 | CAS号1194-64-5 2-氯-6-甲基苯甲醛 | CAS号118-90-1 邻甲基苯甲酸 | CAS号118-91-2 邻氯苯甲酸 | CAS号74-88-4 碘甲烷 | CAS号99585-14-5 2-氯-6-甲基苯甲酸甲酯 | CAS号201230-82-2 carbon monoxide | CAS号5100-98-1 3-氯-2-碘甲苯 | CAS号6575-09-3 2-氯-6-甲基苄腈 | CAS号387-45-1 2-氯-6-氟苯甲醛 | CAS号482578-63-2 2-(溴甲基)-6-氯苯甲酸甲酯 | CAS号20771-97-5 2-羧基-3-氯苯甲醛 | CAS号1201438-56-3 Duvelisib | CAS号65753-71-1 9(10H)-Acridino... | CAS号89894-44-0 2-氯-6-甲基苯甲酰氯 | CAS号99585-14-5 2-氯-6-甲基苯甲酸甲酯

对甲苯甲酸置于palladium Diacetate N-氯代丁二酰亚胺,Sodium Chloride,Sodium Thiosulfate体系中,用 N,N-二甲基甲酰胺 用作溶剂,化学反应生成2-氯-6-甲基苯甲酸
参考文献:Process For The Preparation Of 2-Halobenzoic Acids
标题:Process For The Preparation Of 2-Halobenzoic Acids
摘要:本发明提供了一种生产通式(i)的2-卤代苯甲酸的方法,其特征在于在pd催化剂的存在下,将通式(II)的苯甲酸与卤代试剂反应:1(其中a为-Oh,-Om(m为碱金属),-N(r6)r7(r6和r7分别为h,C1-C6烷基,可选地取代苯基等);R为h,C1-C6烷基,C1-C6烷基羰基,羧基,C1-C12烷氧羰基,可选地取代苯基羰基等;N为0至4;X为cl,Br或i,或者(R)n可以存在于相邻的苯构成碳原子上,并形成c3-C4烷基或c3-C4烯基融合环).

专利信息

专利号:US-6657068-B2
优先权日:2002-03-22
标题:Liquid phase oxidation of halogenated ortho-xylenes
发明人：COLBORN ROBERT EDGAR; HALL DAVID BRUCE; KOCH PETER; OECKEL GERALD
权利人:GEN ELECTRIC
摘要:A method for the manufacture of halophthalic acid by liquid phase oxidation of halo-ortho-xylene is disclosed. The halophthalic acid may be dehydrated to form halophthalic anhydride which is useful in the synthesis of polyetherimide.

专利号:US-6657067-B2
优先权日:2002-03-22
标题 :Method for the manufacture of chlorophthalic anhydride
发明人：COLBORN ROBERT EDGAR; HALL DAVID BRUCE; KOCH PETER; OECKEL GERALD
权利人:GEN ELECTRIC
摘要:A method for the manufacture of chlorophthalic acid by liquid phase oxidation of chloro-ortho-xylene is disclosed. The chlorophthalic acid may be dehydrated to form chlorophthalic anhydride which is useful in the synthesis of polyetherimide.