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- Keywords benzyl malonic acid;synthesis;catchability;galena;sphalerite;smithsonite; 苄基丙二酸;合成;捕收性能;方铅矿;闪锌矿;菱锌矿;
- Keywords benzyl malonic acid;hydroximic acid;calamine;hematite;cooperation mechanism; 苄基丙二酸;羟肟酸;菱锌矿;赤铁矿;协同作用机理;
- benzyl malonic acid 苄基丙二酸
- Propyl malonic acid and isopropyl malonic acid were prepared,and their structure was confirmed by 1 HNMR、 13 CNMR and LC/MS. 以丙二酸二乙酯和卤代烷为原料,合成了丙基丙二酸和异丙基丙二酸,并用1HNMR、13CNMR谱和液相色谱质谱联用证实了其结构。
- Microwave irradiation was used to the Knoevenagel-Doebner synthesis of cinamic acid from benzaldehyde and malonic acid using pyridine as a catalyst. 结果表明,无溶济法微波辐射合成肉桂酸操作简便、反应迅速、收率较高,具有一定的应用价值。
- Microwave irradiation was used to the Knoevenagel-Doebner synthesis of cinamic acid from benzaldehyde and malonic acid using pyridine as a solvent and aniline as a catalyst. 研究了微波辐射下肉桂酸的 Knoevenagel-Doebner合成新方法。
- Keywords benzyl cyanide;phase transfer catalyst;benzil acid; 苯乙腈;相转移催化剂;苯乙酸;
- Keywords Pyrimidine;O-ethylisourea;Malonic acid diethyl ester; 嘧啶;氧乙基异脲;丙二酸二乙酯;
- Huang,X., Liu,Z.-X.,"Solid-Phase Synthesis of 4 (1H) ?Quinolone and Pyrimidine Derivatives on a new Scaffold-Polymer-Bound Cyclic Malonic Acid Ester", J. Org. Chem., 2002, 67 (19), 6731-6737. 国家自然科学基金面上重点项目：“丙二酸环酯聚合物试剂参与的杂环化合物固相合成”（2001-2003）。
- Keywords malonic acid;aldol condensition;second decarboxylation; 丙二酸;羟醛缩合;二次脱羧反应;
- Six carboxyl acids DEMB was produced with Michael Reaction using triethylamine as alkaline catalyst and solvent, malonic acid and itaconic acid as raw materials. 以三乙胺为催化剂和溶剂,衣康酸和丙二酸为原料,采用迈克尔加成反应合成了含有6个羧基的多元羧酸DEMB。
- Keywords benzyl cinnamate;microwave irradiation;synthesis; 肉桂酸苄酯;微波辐射;合成;
- Keywords benzyl alcohol;para nitration;4-nitrobenzyl alcohol; 苄醇;对位硝化;对硝基苄醇;
- A new process has been studied to synthesize malonic acid from diethyl malonate through hydrolysis reaction and catalyzing by 732 type cation exchange resin. 用732型阳离子交换树脂催化水解丙二酸二乙酯制取丙二酸,考察了反应温度、反应时间、水与丙二酸二乙酯的质量比、丙二酸二乙酯与树脂质量比等工艺条件对收率的影响。
- Keywords benzyl benzoate;hydrolysis;benzylalcohol;yield; 苄酯;水解;苯甲醇;收率;
- Keywords Benzyl cinnamate;Phase transfer catalyst;Synthesis; 肉桂酸苄酯;相转移催化剂;合成;
- Keywords Phenylethyl Malonic Acid;Diethyl Malonate; 苯乙基丙二酸;丙二酸二乙酯;
- Keywords benzyl carboxylate;synthesis;sodium bisulfate;catalysis; 羧酸苄酯;合成;硫酸氢钠;催化;
- Keywords benzyl chloroformate;synthesis;application; 氯甲酸苄酯;合成;应用;
- The second decarboxylation of malonic acid in aldol condensation 丙二酸发生羟醛缩合时的二次脱羧反应
