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- ethyl sodio acetoacetic ester 乙基钠代乙酰乙酸酯
- Aluminum di(sec-butoxide)acetoacetic ester chelate, tech.,... 询价 二仲丁氧基乙酰乙酸铝；
- 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。
- 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。
- Keywords diketen;acid base catalysis;acetoacetic ester; 二聚乙烯酮;酸碱催化;乙酰乙酸酯;
- 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
- 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 potassium fluoride;acetonitrile;acetoacetic ester;alkylation;catalysis; 氟化钾;乙腈;乙酰乙酸乙酯;烃基化;催化;
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- 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。
- 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。
- butyl acetoacetic ester 乙酰丁基乙酸酯
- A natural or synthetic ester of glycerol and fatty acids. 甘油酯以甘油和脂肪酸天然存在的或合成的酯
- ethyl acetoacetic ester 乙基乙酰乙酸酯
- A salt or an ester of lactic acid. 乳酸盐或乳酸酯
- A salt or an ester of titanic acid. 钛酸盐钛酸的盐或酯
- A salt or ester of hypochlorous acid. 次碳酸盐一种次碳酸的盐或酯
- acetoacetic ester 乙酰醋酸酯
- Ester asked for time to think all this over . 埃斯特拉要求给她时间好好想一想。
