丙酮醛,methylglyoxal
1)methylglyoxal丙酮醛
1.Studies on 1,2-propylene glycol oxidation to prepare methylglyoxal;丙二醇氧化制备丙酮醛的研究
2.Using the chemical reaction route selection method proposed by the authors, a reaction route of using commercial methylglyoxal as the starting material to produce Furaneol was chosen.今采用作者提出的化学反应路径选择因子对呋喃酮的合成方法进行计算比较,确定了以丙酮醛为原料,通过偶联反应合成中间体苏式3,4-二羟基-2,5-己二酮,再由成环反应制备产物呋喃酮的合成路线。
3.Methylimidazole(4 MI) was synthesized by reaction of methylglyoxal,formaldehyde,and ammonia/ammonium oxalate.研究了以丙酮醛、甲醛、氨/草酸铵合成4甲基咪唑的方法,在n( 甲醛)∶n( 丙酮醛)∶n(草酸铵)= (1-0~1-05)∶1-0∶(1-4 ~1-6),n( 水)∶n( 丙酮醛) >17-7∶1-0,pH=3-0~4-0,反应温度55~60 ℃,4甲基咪唑收率最高可达83-6% ,产品纯度>98-5% 。
英文短句/例句

1.Study on Catalysts for Preparing Methylglyoxal from 1,2-Propane Glycol;1,2-丙二醇合成丙酮醛的催化剂研究
2.Synthesis of Hydroxyacetone and Methylglyoxal by Selective Catalyzed Oxidation of Propylene Glycol1,2-丙二醇空气选择氧化合成α-羟基丙酮和丙酮醛
3.Study on Synthesis Catalyst of Acetone Aldehyde from 1,2-Propanediol1,2-丙二醇合成丙酮醛反应催化剂的研究
4.Effects of Malondialdehyde and Methylglyoxal on Growth and Apoptosis of Human Bone Marrow Mesenchymal Stem Cells丙二醛与丙酮醛对人骨髓间充质干细胞的生长和凋亡的影响
5.Effects of Methylglyoxal on the Gene Expression of VMP1 and ZNF510 in Human Periodontal Ligamnet Fibroblasts;丙酮醛对VMP1、ZNF510在人牙周膜成纤维细胞中表达的影响
6.acetone formaldehyde resin finishing agent丙酮甲醛树脂整理剂
7.Synthesis of Pseudo-ionone by Condensation of Citral with Acetone in presence of KF/Al_5O_3;KF/Al_2O_3催化柠檬醛和丙酮缩合制备假性紫罗兰酮
8.Thioacetalization Reaction of 1-(1,3-Dithian-2-ylidene)propan-2-one as 1,3-Propandithiol Equivalent1,3-丙二硫醇替代试剂1-(1,3-二噻-2-亚基)丙酮的缩硫醛/酮化反应
9.Phenolic mouldings--Determination of acetone-soluble matterGB/T4617-1984酚醛模塑制品丙酮可溶物的测定
10.Water quality-Determination of formaldehyde-Acetylacetone spectrophotometric methodGB/T13197-1991水质甲醛的测定乙酰丙酮分光光度法
11.acetyl acetone colorimetric test乙酰丙酮比色法(树脂整理游离甲醛测定法)
12.Demands on Acetylacetone in Formaldehyde Determination纺织品甲醛的测定对乙酰丙酮的不同要求
13.Formaldehyde in the environmental air is measured by acetylacetonate fluorimetry乙酰丙酮荧光法测定环境空气中的甲醛
14.Synthesis and the Effects of Water-soluble Sulfonated Aceton-formaldehyde Resin on the Properties of Concrete;磺化丙酮甲醛缩合物(SAF)的合成与性能研究
15.Experimental research on preparation of dibenzalacetone by the crossed reaction of aldol condensation;交叉羟醛缩合反应制二苯叉丙酮实验的研究
16.Determination of formaldehyde content in textiles with revised acetylacetone colorimetric method测定纺织品甲醛含量用乙酰丙酮比色法的改进
17.A quality control study on determination of formaldehyde in air by acetylacetone spectrophotometry乙酰丙酮法测空气中甲醛的实验室内质量控制
18.acetyl acetone method乙酰丙酮法,又名戊二酮法(测定免烫整理织物游离甲醛量)
相关短句/例句

pyruvaldehyde[,pairu:'v?ldihaid]丙酮醛
1.dimethyl - 4 - hydroxy - 3(2H)furanone has been synthesized by the hydrogenatic coupling of pyruvaldehyde and cyclization under the basis conditions.以丙酮醛为原料 ,在乙酸水溶液中用锌粉氢化二聚 ,然后在碱性溶液中闭环 ,合成了一种重要的杂环香料呋喃酮 ,产率达 2 8。
2.Then with V(DMSO)∶V(bromoacetone)=11 9∶1 0,and by bubbling of air at 65-70 ℃ for 5-8 h,pyruvaldehyde was produced in 59 6% yield.分别用丙酮和 1,2 丙二醇做原料合成了丙酮醛
3.Modified synthesis of furanone from pyruvaldehyde by microwave irradiation was studied.以丙酮醛为原料采用微波法环化合成呋喃酮。
3)pyruvic aldehyde丙酮醛
1.Several process technologies for synthesis of pyruvic aldehyde are reviewed The preparation method from propanediol and acetone has been introduced in detail The advantage and disadvantage are also been discussed.总结了目前生产丙酮醛的几种常见方法,并进行了比较,对丙二醇法和丙酮法进行了比较详细的介绍。
2.The technology of 4-methylimidazole, an intermediate of medicines, produced from pyruvic aldehyde, formaldehyde, ammonia water and ammonium oxalate etc was studied in this paper.研究了以丙酮醛、甲醛、氨水及草酸铵等为原料合成药物中间体4-甲基咪唑的工艺路线,分析了反应机理,考察了pH值等因素对反应收率的影响,并用DSC、IR、GC等方法对产物进行了分析。
4)pyroracemic aldehyde丙酮醛法
1.The method of 4-methylimidazole synthesis using pyroracemic aldehyde was selected,and flow chart and operation process were studied.本文对4-甲基咪唑常用的几种合成方法进行了介绍,对其工业化生产的优缺点进行了对比,最终选定了丙酮醛法,并给出了工艺流程图和操作步骤。
5)chloral-acetone氯醛丙酮
6)acetonformaldehyde甲醛丙酮
延伸阅读

丙酮醛分子式:C3H4O2分子量:72.0634CAS号:78-98-8性质:暂无制备方法:暂无用途:可作西咪替丁、乳酸、丙酮酸、止痛药、抗癌、抗高血压药、脱敏剂、化妆品等原料。