CAS: 2835-68-9; 4-Aminobenzamide

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CAS号619-80-7 对硝基苯甲酰胺 | CAS号873-74-5 对氨基苯腈 | CAS号16106-38-0 4-氨基苯甲酰氯 | CAS号27332-13-4 4,4'-dicarbamoy... | CAS号698-67-9 4-溴苯甲酰胺 | CAS号556-18-3 4-氨基苯甲醛 | CAS号619-72-7 对硝基苯甲腈 | CAS号88609-06-7 4-azidobenzamide | CAS号1197-55-3 对氨基苯乙酸 | CAS号99-92-3 4-氨基苯乙酮 | CAS号111962-90-4 2-氨基-苯并噻唑-6-羧酰胺 | CAS号4714-67-4 4-氨基硫代苯甲酰胺 | CAS号4403-71-8 4-氨基苄胺 | CAS号55-21-0 苯甲酰胺 | CAS号147009-08-3 frovatriptan | CAS号20934-81-0 4-(苯并[d]恶唑-2-基)苯胺 | CAS号873-74-5 对氨基苯腈 | CAS号99-92-3 4-氨基苯乙酮 | CAS号85126-67-6 4-[(氯乙酰基)氨基]苯甲酰胺 | CAS号955-96-4 4-氨基-N-(4-甲基苯基)苯甲酰胺

苯佐卡因置于氨体系中,用 甲醇 用作溶剂,20.0~25.0 °C,200.0 Kpa 条件下,反应 24.0H,以85%的收率获得对氨基苯甲酰胺
参考文献:一种4-氨基苯甲酸及其衍生物的制备方法
标题:一种4-氨基苯甲酸及其衍生物的制备方法
摘要:本发明公开了一种4‑氨基苯甲酸及其衍生物的制备方法,该方法包括:步骤(1):将酸酯原料即1,4‑苯二甲酸单酯或1,4‑苯二甲酸二酯或1,4‑苯二甲酸单酯单酰胺与羟胺反应,分别得到4‑羧基苯甲酰异羟肟酸无机盐,4‑烷氧酰基苯甲酰异羟肟酸无机盐,4‑氨基甲酰基苯甲酰异羟肟酸无机盐;步骤(2):所述4‑羧基苯甲酰异羟肟酸无机盐,4‑烷氧酰基苯甲酰异羟肟酸无机盐,或4‑氨基甲酰基苯甲酰异羟肟酸无机盐发生重排反应,得到所述4‑氨基苯甲酸盐,4‑氨基苯甲酸酯,4‑氨基苯甲酰胺;所述4‑氨基苯甲酸盐经酸化后得到所述4‑氨基苯甲酸.本发明不使用硝化和还原反应,消除废酸污染和多硝基苯易爆的隐患.

专利信息

专利号:EP-1431274-B1
优先权日:2002-12-18
标题 :Synthesis of mono-N-substituted functionalized anilines
发明人：SELVA MAURIZIO; TUNDO PIETRO
权利人:CONSORZIO INTERUNIVERSITARIO N
摘要:The present invention relates to a process for direct and selective synthesis of mono-N-substituted functionalized anilines by using alkylating agents selected from the class of organic carbonates, preferably of the dialkyl, dibenzyl and diallyl types, in the presence of suitable catalysts that are chemically related to the class of aluminosilicates.

专利号:US-7247456-B2
优先权日:1998-01-15
标题:Preparation of fucosylated oligosaccharides
发明人：SJOBERG ERIC R
权利人:NEOSE TECHNOLOGIES INC
摘要:This invention provides methods for practical enzymatic conversion of GDP-mannose to GDP-fucose. These methods are useful for efficient synthesis of reactants used in the synthesis of fucosylated oligosaccharides.

专利号:US-6030815-A
优先权日:1995-04-11
标 题 :Enzymatic synthesis of oligosaccharides
发明人：DEFREES SHAWN; BAYER ROBERT J; RATCLIFFE MURRAY
权利人:NEOSE TECHNOLOGIES INC
摘要:The present invention provides improved methods for the preparation of sialyl galactosides. The methods use sialyl transferase cycle in which the reaction conditions are optimized to provide increased yields.

专利号:EP-0820520-B1
优先权日:1995-04-11
标 题:Improved enzymatic synthesis of oligosaccharides
发明人：DEFREES SHAWN; BAYER ROBERT J; RATCLIFFE MURRAY
权利人:NEOSE TECHNOLOGIES INC
摘要:The present invention provides improved methods for the preparation of sialyl galactosides. The methods use sialyl transferase cycle in which the reaction conditions are optimized to provide increased yields.

专利号:US-5922577-A
优先权日:1995-04-11
标题:Enzymatic synthesis of glycosidic linkages
发明人：DEFREES SHAWN; BAYER ROBERT J; RATCLIFFE MURRAY
权利人:CYTEL CORP
摘要:The present invention provides improved methods for the formation of glycosidic linkages. These methods are useful for the preparation of compounds of formula:NeuAc alpha (2->3)Gal beta (1->4)(Fuc alpha 1->3)GlcN(R') beta (1->3)Gal beta -OR

专利号:US-5525474-A
优先权日:1994-01-31
标 题 :Piperidine analogs and conjugates of procainamide and NAPA
发明人：SIGLER GERALD F; WALTER CHARLES F; GLANCY TODD; HUBER ERASMUS; KLEIN FRANK E
权利人:BOEHRINGER MANNHEIM CORP
摘要:Novel derivatives of procainamide and N-acetylprocainamide (NAPA) are disclosed having the following formula: wherein: X=hydrogen or acetyl; n=1 to p where p=MW of Z/1000; Z=a poly(amino acid) or polysaccharide; and R3=a bond or aving 2 to 10 carbon atoms. The derivatives include maleimide conjugates of proteins or poly(amino acids), enzymes, enzyme donor polypeptides and labeling substances. Novel activated hapten intermediates useful in the preparation of the conjugates and methods for synthesis of the hapten intermediates and derivatives are also disclosed.