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- In this paper a new method on the Preparation dimethyl malonate has been proposed. 本文通过对丙二酸二甲酯合成新方法的研究,收率达到80%25以上。
- The preparation of dimethyl malonate was studied with monochloroacetic acid,methanol and sodium cyanide by cyanidation and esteriflcation. 对氰化酯化法合成丙二酸二甲酯的工艺进行了改进。
- Dimethyl malonate useful as intermediates for medicines,agrochemicals and dyes,were pre-pared by old methods in out country.The yield of dimethyl malonate(based on Cl CH2COOH)was 65%. 丙二酸二甲酯是医药、农药和染料的中间体,目前国内老方法生产收率只有65%25(以氯乙酸为基础)。
- dimethyl malonate 丙二酸二甲酯
- The Dimethyl Sulfate has an annual output of 15,000 tons. 同时我司也是国内最大的磺胺类产品出口基地。
- However, Malon detects Dalan’s trickery due to her clumsy slipup. 大兰破绽百出,被马郎识破。
- Dimethyl ether (DME) is produced normally from syngas or methanol. 介绍了二甲醚的应用及其下游产品的开发利用情况。
- Dimethyl 5-sulfoisophthalate sodium salt hydrate, 98... 二甲基5-磺酸异邻苯二酸钠盐;
- Triethylene glycol dimethyl ether, stabilized, 99%... 三乙二醇二甲醚/三甘醇二甲醚;
- Methyl malonate;Propanedioic acid dimethyl ester; 名称 丙二酸二甲酯;
- Acetone (or dimethyl ketone): Simplest and most important ketone (CH3COCH3). 丙酮:亦称二甲基酮:分子式为CH3COCH3,最简单和最重要的酮。
- dimethyl malonic acid 二甲基丙二酸
- Acetone (or dimethyl ketone): Simplest and most important ketone (CH3COCH3). 丙酮:亦称二甲基酮:分子式为CH3COCH3,最简单和最重要的酮。
- Study on the kinetics of dimethyl ether one step synthesis from syngas. 合成气一步法制二甲醚的动力学研究
- Recent methods of dimethyl fumarate synthesis are reviewed in this article. 本文对近年来富马酸二甲酯的合成方法进行了评述。
- Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone. 通过过一硫酸和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。
- dimethyl malonic ester 二甲基丙二酸酯
- Aside from removing the malonate, how can this inhibition of respiration be overcome? Explain. 除了去掉丙二酸之外,还可以怎样克服这种对呼吸作用的抑制?解释。
- With diethyl malonate as the extractant,the condition of extracting gold the electronic scrap was studied. 研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法。
- Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate. 收率相对于丙二酸二乙酯达到了80%25以上。