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- Keywords citral;phase equilibrium;catalysis;aldol condensation reaction;pseudoionone; 柠檬醛;相平衡;缩合反应;催化;假性紫罗兰酮;
- Keywords mevalomic lactone;synthesis;aldol condensation reaction;Reformatsky reaction; 甲瓦龙酸内酯;缩醛反应;重整;合成;
- Keywords Citral;Pseudoionone;Aldol condensation reaction;Liquid liquid homogeneous and heterogeneous catalysis;Reaction kinetics.; 柠檬醛;假性紫罗兰酮;醛酮缩合反应;液液非均相与均相催化;反应动力学;
- aldol condensation reaction 羟醛缩合反应
- Aldol condensation is an important organic reaction which leads to the formation of new C-C bond. 摘要羟醛缩合可以形成新的碳-碳键，增长碳链，是一类重要的有机反应。
- Trimethylolheptane (TMH) was synthesized through consecutive aldol condensation and Cannizzaro reaction of octylaldehyde and formaldehyde, using sodium hydroxide as catalyst. 以氢氧化钠为催化剂,辛醛和甲醛在较低温度下发生羟醛缩合反应生成2,2-二羟甲基辛醛。
- Butyrolactone series products are synthesized via aldol condensation, catalytic hydrogenation and oxidation reaction based on cyclopentanone and aliphatic aldehyde. 以环戊酮和脂肪醛系列为原料,经过羟醛缩合、催化加氢、氧化反应,三步制得丁位内酯系列产品。
- The prospect of the catalysts for aldol condensation is also been put forward. 羟醛缩合可以形成新的碳-碳键,增长碳链,是一类重要的有机反应。
- Using inorganic base as a catalyst, 2,2-dimethylolbutyraldehyde was prepared by the aldol condensation from formaldehyde and butyraldehyde. 甲醛和丁醛在碱性催化剂的存在下,进行羟醛缩合反应,制备2,2二羟甲基丁醛。
- Conclusion:Piperidine shows satisfying effects and deserves further research as a promising catalyst in aldol condensation... 结论:以哌啶为催化剂,经羟醛缩合制备查尔酮类化合物具有一定的优越性,值得进一步深入研究。
- Most condensation reactions are equilibria. 大多数的缩合反应是平衡反应。
- Eight flavones were synthesized through acetylation、methoxyl protection、aldol condensation and closing ring used 1,3,5-trihydroxylbenzene and resorcin as the initial materials. 以间苯二酚和间苯三酚为原料,经乙酰化、甲氧基保护、羟醛缩合、关环4步反应合成了8种黄酮。
- In this paper,three kinds of catalysts are introduced and discussed according to the acid or base active site.The prospect of the catalysts for aldol condensation is also been put forward. 本文根据活性中心的不同,对酸性、碱性和酸-碱两性三类不同的催化剂进行了论述,分析了羟醛缩合反应催化剂今后的发展方向。
- The combined addition-elimination sequence is referred to as a condensation reaction. 将联合加成-消除反应的结果称为缩合反应。
- In this paper, three kinds of catalysts are introduced and discussed according to the acid or base active site.The prospect of the catalysts for aldol condensation is also been put forward. 本文根据活性中心的不同，对酸性、碱性和酸-碱两性三类不同的催化剂进行了论述，分析了羟醛缩合反应催化剂今后的发展方向。
- Kinetic behavior of condensation reaction of acetone and glycerol was experimentally studied. 本文研究了甘油丙酮缩合反应过程的动力学性质。
- Keywords aldol condensation;Perkin reaction;organic synthesis; 醇醛缩合;珀金反应;有机合成;
- Condensation reaction of piperazine is a very important step in the process of synthesis of ciprofloxacin. 摘要呱嗪缩合反应是环丙沙星生产工艺中的关键步骤。
- Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction. 目的:合成新的双-胡椒醛缩二胺类席夫碱化合物。
- Below are the main works: 1.Take Friedlander condensation reaction to synthesize the 5,6,7,8-tetrahydroquinoline. 本文主要工作如下： 1、采用Friedlander缩合反应对5,6,7,8-四氢喹啉进行了合成。
