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- The effects of phenylacetate acid/isobutyl alcohol molar ratio,the amount of sodium bisulfate monohydrate catalyst used and reaction time on the yield of isobutyl phenylacetate were investigated. 以冰醋酸、异丁醇为原料,对甲苯磺酸为催化剂合成乙酸异丁酯,通过正交实验考察了原料比、催化剂用量、带水剂用量和反应时间等因素对反应的影响。
- isobutyl phenylacetate 苯乙酸异丁酯
- Methacrylic acid isobutyl ester... 丙酯 英文名: Isobutyl methacrylate;
- Isobutyl butyrate was synthesized by using gallium sulphate as the catalyst. 以硫酸镓为催化剂,正丁酸和异丁醇为原料合成了丁酸异丁酯。
- It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate. 众所周知,乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。
- Results:Using Laurate alcohol ester phenylacetate partly instead of sodium phenylacetate ca... 结论:苯乙酸月桂醇酯可作为青霉素发酵的前体应用,效果更好。
- Conclusion: A-LAK could be simply prepared by using PME, and have the synergistic anti-tumor effect with phenylacetate. 结论:采用PME可简便快速地制备A-LAK,而苯乙酸可与A-LAK协同发挥抗瘤作用。
- Isobutyl acetate was synthesized by the esterification of acet ic acid with isobutyl alcohol using chitosan sulface as catalyst. 以壳聚糖硫酸盐为催化剂,由冰醋酸和异丁醇合成乙酸异丁酯。
- The analysis results of gas chromatography showed that the isolates could metabolize isobutyl acetate to produce iso-butanol and butyric acid. 气相色谱的分析结果表明,该菌可降解醋酸异丁酯生成异丁醇和异丁酸。
- The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials. 以苯乙酸乙酯和乙醇胺为原料合成了苄青霉素低毒前体苯乙酰基乙醇胺。
- A new bimetallic basicity catalyst used for synthesis of methyl isobutyl ketone from acetone and hydrogen. 制备了常压下丙酮与氢气合成甲基异丁基酮的双金属碱性催化剂,并测定了其反应活性。
- Current situation at home and abroad,production methods and uses of methyl isobutyl ketone(MIBK) were described. 介绍了甲基异丁基酮(MIBK)国内外现状、生产方法和用途。
- A method for synthesis of isobutyl acetate based on ceric sulfate as catalyst was developed. 以冰醋酸、异丁醇为原料,硫酸高铈为催化剂合成乙酸异丁酯。
- The solvents we used were acetone,methyl ethyl ketone,methyl isobutyl ketone,ethyl acetate and vinyl acetate. 对丙酮、甲苯、丁酮、甲基异丁基酮、乙酸乙酯、醋酸乙烯酯等溶剂进行了评选。
- Objective: To study effect of Laurate alcohol ester phenylacetate as precursor on thallus itself and fermentation unit in penicillin fermentation process. 目的:研究苯乙酸月桂醇酯作为前体对青霉素发酵过程中菌体本身和发酵单位的影响。
- Using anisole,nitromethane,acetone,methyl isobutyl ketone as the donors,four complex compounds were prepared. 采用苯甲醚、硝基甲烷、丙酮、甲基异丁基甲酮4种络合剂分别与三氟化硼合成出了4种络合物体系。
- Methods: In shaking flask test, We used Laurate alcohol ester phenylacetate as precursor and supplementary material instead of sodium phenylacetate used in former process. 方法:在摇瓶试验中用苯己酸月桂醇酯代替原工艺所用苯乙酸钠作为前体及补料用,在相同条件下与原工艺对照比较,进行考察研究。
- The research and development on onestep synthesis of methyl isobutyl ketone (MIBK)from actone is reviewed. 综述了丙酮一步法合成甲基异丁基酮的生产与研究现状。
- A process for the preparation of anticholinergic drug Cyclopentolate Hydrochloride by two-step sequence starting from sodium Phenylacetate in about 50% total - yield was reported. 探索抗胆碱药盐酸环喷托酯的合成工艺。该工艺以苯乙酸钠为原料,经两步化学反应得到目标产品,总产率约50%25。
- Acrylic acid and ester mainly is acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, isobutyl acrylate, etc. 丙烯酸及酯主要是指丙烯酸、丙烯酸甲酯、乙酯、丁酯、异辛酯等。