您要查找的是不是:
- 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。
- N,N-Dihydroxyethyl-acetoacetamide,the raw material of the borate ester bonding agent,was synthesized from methyl acetoacetate and diethanolamine. 二乙醇胺与乙酰乙酸甲酯反应合成了硼酸酯键合剂原料N,N-二羟乙基乙酰乙酰胺。
- 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;
- Several of costly solvents and chemicals such as DMF,dichloromethane,methyl acetoacetate,pivalic acid etc. left in waste liquid during the cephradine manufacturing process. 头孢拉定生产中的废液组分为DMF、二氯甲烷、特戊酸、乙酰乙酸甲酯和高沸点固体杂质,其中DMF、特戊酸、乙酰乙酸甲酯的经济价值均极高。
- 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
- The barnidipine hydrochloride were prepared via cyclocondensation from m-nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy (S)-N-Benzyl-3-py-rrolidinol, recrystallisation and salification. 摘要研究了以碳酸氢铵,间硝基苯甲醛和乙酰乙酸甲酯为原料,经缩合、部分水解,再与(s)-N-苄基-3-羟基吡咯烷经酯化、分步重结晶、成盐得到盐酸巴尼地平的工艺路线。
- Gas chromatography(GC) as a chemical reactor,methyl acetoacetate,ethyl acetoacetate,and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers. 在气相色谱上,乙酰乙酸甲酯、乙酰乙酸乙酯、3-氧代戊酸甲酯与醇在无任何催化剂存在下,发生酯交换反应。
- 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
- The bis(S)-Naproxen methyl ester is(+)-enantiomer. 对其代谢过程作了初步探讨。
- Keywords methyluracil;methyl acetoacetate;urea; 甲基尿嘧啶;乙酰乙酸甲酯;尿素;
- 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。
- Manufacturing and Application of Methyl Acetoacetate 乙酰乙酸甲酯的生产及其应用
- Keywords N;N-dihydroxyethyl-acetoacetamide;uniform design;borate ester bonding agent;aminolysis;diethanolamine;methyl acetoacetate;functional materials; 二羟乙基乙酰乙酰胺;均匀设计;硼酸酯键合剂;胺解反应;二乙醇胺;乙酰乙酸甲酯;功能材料;
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。