您要查找的是不是:
- ethyl malonic acid diethylester 乙基丙二酸二乙酯
- ethyl malonic acid 乙基丙二酸
- This invention relates to the manufacture of phenyl and phenyl ethyl malonic esters and more particularly to the manufacture of dialkyl phenylmalonates and compounds are useful as intermediates in the manufacture of medicinals. 本发明和苯基苯乙基丙二酸酯的生产有关,尤其是和二烷基苯基丙二酸酯的生产有关,它们在生产药品的过程作为中间体非常有用。
- 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。
- 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。
- 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。
- 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 Pyrimidine;O-ethylisourea;Malonic acid diethyl ester; 嘧啶;氧乙基异脲;丙二酸二乙酯;
- Keywords malonic acid;aldol condensition;second decarboxylation; 丙二酸;羟醛缩合;二次脱羧反应;
- Keywords ethyl malonate;titanic sulfate;catalysis;silica gel; 丙二酸二乙酯;硫酸钛;催化;硅胶;
- ethyl malonic ester 乙基丙二酸酯
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Keywords Phenylethyl Malonic Acid;Diethyl Malonate; 苯乙基丙二酸;丙二酸二乙酯;
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。