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Keywords malonic acid;aldol condensition;second decarboxylation; 丙二酸;羟醛缩合;二次脱羧反应;
Keywords malonic acid;diethyl malonate;hydrolysis reaction; 丙二酸;丙二酸二乙酯;水解反应;
Keywords Malonic acid,phenyl-methyl-aldehyde,catalyst,Cinnamic acid,CaffeicAcid（CA）,FerulicAcid（FA）,synthesis; 丙二酸;（取代）苯甲醛;催化剂;肉桂酸;咖啡酸;阿魏酸;制备;
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 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）。
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 Phenylethyl Malonic Acid;Diethyl Malonate; 苯乙基丙二酸;丙二酸二乙酯;
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 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 pregabalin;resolution;（S）-（+）-mandelic acid;isovaleraldehyde;malonic acid;anticonvulsant drug; 普瑞巴林;拆分;（S）-（+）-扁桃酸;异戊酸;丙二酸;抗惊厥药物;
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
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;
Keywords Sibutramine hydrochloride;Fluorescence spectrophotometry;Acetic anhydride;Malonic acid;Derivative; 盐酸西布曲明;荧光分光光度法;乙酸酐;丙二酸;衍生;
Synthesis of complexes of rare earth and malonic acid and studies of anti-tumor activity in vitro 稀土丙二酸类配合物的合成和体外抗癌活性的初步研究
Study on the preparation process of malonic acid catalyzing by cation exchange resin 阳离子交换树脂催化水解法制备丙二酸工艺的研究
Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。