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- acetoacetic ester synthesis 乙酰乙酸酯合成
- Objective To determine the contents of residual acetone in acetoacetic ester,the raw material for the synthesis of Edaravone,by gas chromatography. 目的:用气相色谱法测定依达拉奉合成起始原料乙酰乙酸乙酯中丙酮的残留量。
- Aluminum di(sec-butoxide)acetoacetic ester chelate, tech.,... 询价 二仲丁氧基乙酰乙酸铝；
- This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester. 无水氟化钾和乙腈在乙酰乙酸乙酯活泼亚甲基的C-烃基化中的作用。
- The cyctic Condensation Carbonyl Perfume-Fructone is synthesized by the condensation reactions between acetoacetic ester and ethylene glycol with activated carbon supported phosphoric acid as catalyst. 以活性炭固载H_3PO_4为催化剂,用乙酰乙酸乙酯与乙二醇为反应物直接缩合,制备了环缩羰基型香料-苹果酯。
- The applications of room temperature ionic liquid as a green solvent and catalyst for ester synthesis is reviewed in this paper. 本文综述了近年来离子液体作为一种绿色溶剂和催化剂在酯合成反应中的应用研究进展。
- The paper reviews catalysts used in acetic ester synthesis replacing strong sulfaric acid catalyst such as: zeolites solid heteropoly acid . solid super acid phase transfer etc. 对近年来用沸石分子筛、体杂多酸、体超强酸、转移等催化剂代替浓硫酸钾化利合成醋酸酯类的研究进展进行了综述.
- Study on Catalysis Synthesis of Acetoacetic Ester Cyclic Ethylene Ketal 乙酰乙酸乙酯环乙二缩酮的催化合成研究
- In the process of Formylchloroacetic acid ethyl ester synthesis, this paper compares the variety of output by changing the lime of chemical reaction and the quantity of raw material of ethel formate. 在甲酰氯乙酸乙酯的合成过程中,通过改变反应时间及原料甲酸乙酯的投料量来比较产量的变化,以确定提高合成率的最佳条件。
- Synthesis of Acetylacetone by Acetoacetic ester and Acetic anhydride on Superfine MgO 超细氧化镁催化合成乙酰丙酮的研究
- Keywords diketen;acid base catalysis;acetoacetic ester; 二聚乙烯酮;酸碱催化;乙酰乙酸酯;
- 8.Objective To determine the contents of residual acetone in acetoacetic ester,the raw material for the synthesis of Edaravone,by gas chromatography. 目的:用气相色谱法测定依达拉奉合成起始原料乙酰乙酸乙酯中丙酮的残留量。
- Keywords potassium fluoride;acetonitrile;acetoacetic ester;alkylation;catalysis; 氟化钾;乙腈;乙酰乙酸乙酯;烃基化;催化;
- Keywords catalytic chemistry;phthalic anhydride;diglycol;ester synthesis; 催化化学;邻苯二甲酸酐;一缩二乙二醇;酯合成;
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- Keywords lipase;application;ester synthesis;transesterification;hydrolysis; 脂肪酶;应用;酯合成;酯交换;水解;
- 6-Methyl-6-hepten-2-one 3 was obtained by the alkylation of acetoacetic ester with 1bromo-3-methyl-3-butene followed by saponifi-cation and decarboxylation of the alkylate. 乙酰乙酸乙酯与1-溴-3-甲基-3-丁烯进行烷基化、皂化脱羧反应得6-甲基-6-庚烯-2-酮3。
- DETERMINATION OF PALLADIUM IN CATALYST OF OXALIC ESTER SYNTHESIS BY FLAME ATOMIC ABSORPTION SPECTROMETRY 火焰原子吸收光谱法测定合成草酸酯催化剂中钯
- butyl acetoacetic ester 乙酰丁基乙酸酯
- Synthesis Synthesize: How does it fit together? 信息的综合:信息是怎样组合在一起的?
