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- isobutyl pyrazine 异丁基吡嗪
- 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。
- OBJECTIVE To study the protective effect of tetramethyl pyrazine (TMP) on cyclophosphamide injured mice. 目的:考察川芎嗪对小鼠环磷酰胺损伤的保护作用。
- However, related data show that besides Maillard reaction, the microbial metabolic pathway, the protein and amino acids healing processes can also produce pyrazine compounds. 但据有关资料表明,除了“美拉德反应途径”外还有“微生物代谢产物途径、蛋白质加热分解途径和氨基酸类的加热分解途径”也可以产生吡嗪类化合物。
- 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 ether soluble compounds of the reaction product were analyzed by GC/MS.The major iden tified compounds were pyrazine and furan compounds. 该反应产物的醚溶性成分经GC/MS分析显示,其主要成分为吡嗪类和呋喃类化合物。
- 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 results showed that there existed typical Maillard reaction product including pyrazine, thiazole, sulfur-containing compounds and so on. 结果分析表明,反应液存在典型的美拉德反应产物如吡嗪、噻唑、含硫化合物等。
- 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。
- The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found. 利用相转移催化法合成香料2-甲基-3甲氧基吡嗪,并对其反应条件进行探讨,找到较佳的反应条件。
- 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。
- The variety and high content of pyrazine compounds in Maotai-flavor liquor are regarded as the products of Maillard reaction so far. 摘要迄今为止,普遍认为酱香型白酒中种类众多、含量很高的吡嗪类化合物是通过美拉德反应途径产生的。
- 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。
- Furthermore, self-assembly of citric acid with Co, Ni, Cu or Zn has been conducted with pyrazine acting as base and/or the second ligand. 在考虑到乙酸根在以上一些合成实例中的重要作用后,我们采用了乙酰丙酮原位分解生成乙酸根的反应,以期螯合稀土金属离子的部分配位点,减小稀土有机多羧酸结构的交联度。
- 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。
- 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。
- 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。
- 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。
- However, related data show that besides Maillard reaction, the microbial metabolic pathway, the protein and amino acids heating processes can also produce pyrazine compounds. 但据有关资料表明,除了"美拉德反应途径"外还有"微生物代谢产物途径、蛋白质加热分解途径和氨基酸类的加热分解途径"也可以产生吡嗪类化合物。