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- Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst. 以过氧化氢为氧化剂,十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化苯甲醛制苯甲酸。
- The influences of reaction temperature,content of catalyst,volume of hydrogen peroxide and reaction time on the yield of phenyl carboxylic acid were investigated. 以过氧化氢为氧化剂,十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化苯甲醛制苯甲酸。
- The phenyl carboxylic acid was prepared from the oxidized phenyl methanol by the calalyzed hydrogen peroxide with the amine hexadecane trimethyl PW heteropoly acid used as the catalyst. 制备了十六烷基三甲基磷钨杂多酸铵,并用其作为催化剂催化过氧化氢氧化苯甲醇制苯甲酸,分析了反应温度、反应时间、过氧化氢用量、催化剂用量对苯甲酸产率的影响。
- Catalysis of Amine Hexadecane Trimethyl SiW Heteropoly Acid on the Oxidation of Phenyl Methanol to Phenyl Carboxylic Acid with Hydrogen Peroxide 十六烷基三甲基硅钨杂多酸铵催化过氧化氢氧化苯甲醇制苯甲酸
- Keywords amine hexadecane trimethyl SiW heteropoly acid;catalysis;hydrogen peroxide;phenyl carboxylic acid;phenyl methanol; 十六烷基三甲基硅钨杂多酸铵;催化剂;过氧化氢;苯甲酸;苯甲醇;
- Keywords analytical chemistry;amine hexadecane trimethyl PW heteropoly acid;phonyl methanol;hydrogen peroxide;phenyl carboxylic acid; 分析化学;十六烷基三甲基磷钨杂多酸铵;苯甲醇;过氧化氢;苯甲酸;
- phenyl carboxylic acid 苯甲酸
- Carboxylic acid esters are important chemical raw materials. 羧酸酯是重要的化工原料。
- Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters. 羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
- One exception is the decarboxylation of aromatic carboxylic acids. 芳香羧酸进行脱羧反应是一个例外。
- phenyl quinoline carboxylic acid [医] 苯喹啉羧酸, 辛可芬
- The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene. 这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
- Carboxylic acid was peroxidized in organic solvents catalyzed by lipase and glycidol was synthesized from allyl alcohol catalyzed by acid peroxide. 摘要利用脂肪酶在有机介质中催化制备过氧酸，丙烯醇在过氧酸的作用下发生环氧化反应生成环氧丙醇。
- Nitric acid oxidation was found to reduce the surface hydroxyl (OH) groups in increasing the carboxylic acid (COOH) groups. 硝酸氧化减少了碳纤维表面的羟基含量，同时增加了碳纤维表面的羧基含量。
- In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid. 在反应中有一部分苯胺被完全氧化或部分氧化成CO2或羧酸，
- PVAC latex is prepared by the polymerization of the new type of ethylene carboxylic acid . 采用乳液聚合制备了新的丙烯酸改性的聚乙酸乙烯酯(PVAC)乳液。
- Preparation methods and degradation behavior for poly(carboxylic acid silyl ester)s were reviewed. 综述了聚羧酸硅基酯的合成方法和降解性质。
- The formate activates the carboxylic acid and functions as a source of nucleophilic alkoxide. 羧酸甲酸激活的职能和核醇源泉.
- The paper introduces the catalyst research advances in esterification reaction of carboxylic acid. 本文介绍了羧酸酯化反应催化剂的研究进展。
- Ingredients: Chamomile extract, hamamelis extract, pyrroldone carboxylic acid, HA, etc. 主要成份：春黄菊提取液，金缕梅提取液、吡咯烷酮羧酸、透明质酸等。
