甲基苯甲醛,tolualdehyde
1)tolualdehyde[,t?lju'?ldihaid]甲基苯甲醛
1.These three methods were used to determine the mixed system of o, m, p- xylene and tolualdehyde.本论文分别利用化学计量学中的偏最小二乘法、BP和RBF人工神经网络法,与分离效率高、选择性好的高效液相色谱法相结合,分别对二甲苯和甲基苯甲醛的邻、间、对三种同分异构体混合体系进行了测定,其研究内容如下:1。
英文短句/例句

1.Study on Synthesis of 2,4,6-trimethylbenzaldehyde;2,4,6-三甲基苯甲醛合成与工艺研究
2.Preparation Method of 2,4,6-Trimethylbenzaldehyde2,4,6-三甲基苯甲醛的制备方法
3.Experimental research on synthesis of p-tolualdehyde by ionic liquids catalytic carbonylation离子液体催化甲苯羰基化合成对甲基苯甲醛的工艺探索
4.STUDY ON MODIFITION MECHANISM OF THE MODIFIED COAL TAR PITCH WITH 4-METHYL BENZALDEHYDE;对甲基苯甲醛改性煤沥青的改性机理研究
5.3,4-methylene dioxybenzaldehyde3,4-亚甲二氧基苯甲醛
6.Studies on Hydrogenation of M-phenoxybenzoic Acid to Corresponding Aldehyde;间苯氧基苯甲酸催化加氢合成间苯氧基苯甲醛
7.THE SYNTHESIS OF 4-HYDROXY-3-METHOXY BENZALDEHYDE XYLOSIDASE4-羟基-3-甲氧基苯甲醛木糖苷的合成
8.The Study on the Study on the Purification of Trimethoxy Benzaldehyde (TMB);三甲氧基苯甲醛(TMB)的精制方法
9.Study on catalytic synthesis of benzylaldehyde L-ascorbic acid acetal by methyl sulfonic acid甲基磺酸催化合成苯甲醛VC缩醛的研究
10.Preparation of o-NBA via Liquid Phase Oxidation of o-MNT with Oxygen氧气液相氧化邻硝基甲苯制取邻硝基苯甲醛
11.Oxidation of p-nitrobenzaldehyde to p-nitrobenzoic acid with hydrogen peroxideH_2O_2氧化对硝基苯甲醛制备对硝基苯甲酸
12.Preparation of Benzoic Acid and Benzaldehyde by the Oxidation Of Toluene in the Liquid Phase甲苯液相氧化法制取苯甲酸和苯甲醛
13.In this paper, the reactions of bornyl magnesium chloride with benzal-dehyde and p-nitrobenzaldehyde are studied.本文研究了冰片基氯化镁与苯甲醛、-硝基苯甲醛的还原反应。
14.Measurement of Solubilities of Toluene,Benzyl Alcohol,Benzaldehyde and Benzoic Acid in 1-Ethyl-3-Methylimidazolium Tetrafluoroborate甲苯、苯甲醇(醛/酸)在1-乙基-3-甲基咪唑四氟硼酸盐中溶解度的测定
15.phenol aniline-formaldehyde plastics苯酚-苯胺甲醛塑料
16.New Technology to Synthesize 4-(N-Methyl,N-substituted) aminobenzaldehyde4-(N-甲基-N-取代)氨基苯甲醛合成新工艺
17.REDUCTION PROCESS OF 3,4,5-TRIMETHOXYBENZALDEHYDE OVER Pd/C CATALYST钯/碳催化的3,4,5-三甲氧基苯甲醛还原反应
18.Progress in P-cresol Catalytic oxidation synthetic of P-hydroxybenzaldehyde对甲酚催化氧化合成对羟基苯甲醛研究进展
相关短句/例句

hydroxybenzaldehyde羟基苯甲醛
1.The nucleophilic substitution reaction of chloromethylated polystyrene was performed using the sodium salt of p-hydroxybenzaldehyde as the nucleophilic substitution agent via phase-transfer catalysis,and polystyrene with aldehyde groups on its side chains was prepared.以对羟基苯甲醛的钠盐为亲核取代试剂,采用相转移催化进行了大分子氯甲基聚苯乙烯的亲核取代反应,将其转变为侧链带有功能性基团醛基的聚苯乙烯;考察了反应条件(如有机溶剂的极性、催化剂种类及用量、有机相与水相之比等)对大分子相转移催化反应的影响,并根据相转移催化反应机理与相关的动力学规律进行了分析。
2.Although good selectivity for p-hydroxybenzaldehyde has been achieved, the use of methanol as the solvent brings an explosion risk in operation and a large amount of NaOH in the solvent has to be neutralized, which are the main disadvantages.在乙酸存在和空气气氛下,以磷酸铁为催化剂进行了对甲酚气相选择氧化生成对羟基苯甲醛和对羟基苯甲醇的反应。
3.This paper summarizes the recent development in synthesis of hydroxybenzaldehyde,and points out that hydroxybenzaldehyde by catalytic oxidation,chlorination-hydrolysis and indirect electrooxidation from cresol are three promising approaches.羟基苯甲醛是一类十分重要的精细化学品。
3)aminobenzaldehyde氨基苯甲醛
1.Synthesis of 4-(N-methyl,N-substituted)aminobenzaldehyde by Improvement Vilsmeier Reaction;改进Vilsmerier法合成4-(N-甲基,N-取代)氨基苯甲醛
2.New Technology to Synthesize 4-(N-Methyl,N-substituted) aminobenzaldehyde4-(N-甲基-N-取代)氨基苯甲醛合成新工艺
4)alkylbenzaldehyde烷基苯甲醛
1., molecular sieve and solid acid of SO~(2-)_4/ZrO_2, ionic liquids, and rare earth perfluoro alkyl sulfosalts to formylate alkylbenzene by carbon monoxide to synthesize alkylbenzaldehyde was introduced.介绍HCl-AlCl3、HF-BF3和CF3SO3H-SbF5等B-L复合酸,分子筛和固体酸,离子液体以及稀土全氟烷基磺酸盐作催化剂在烷基苯用CO甲酰化合成相应烷基苯甲醛工艺中的应用进展。
5)nitrobenzaldehyde硝基苯甲醛
1.o-Aminobenzaldehyde in high yield of 86% can be obtained from o-nitrobenzaldehyde with iron powder as the reducer,acetic acid and ethanol as the solvent.用乙酸和乙醇做溶剂,铁粉做还原剂还原邻硝基苯甲醛得到了邻氨基苯甲醛,产率高达86%。
2.The chromatographic behavior of the isomers of nitrobenzaldehyde tested by HPLC was studied.考查了硝基苯甲醛的三种异构体在不同分析条件下的色谱行为,选择在硅胶柱上以异辛烷/异丙醇(100/0。
3.This paper describes the separation and determination of Nitrobenzaldehyde by PEG—20M packed column CC.本文拟用PEG—20M作为固定液分离和测定硝基苯甲醛的位置异构体,讨论了柱、溶剂和内标物的选择。
6)alkyl benzaldehyde烃基苯甲醛
延伸阅读

甲基苯甲醛分子式:CAS号:性质:有邻(o-)、间(m-)、对(p-)三种异构体,均为无色液体,存在于炒熟的胡桃中。三种混合,有近似苦杏仁气味。o-甲基苯甲醛沸点197℃,相对密度1.0386,折射率1.549。m-甲基苯甲醛沸点199℃,相对密度1.019,折射率1.5407。p-甲基苯甲醛沸点204℃,相对密度1.015,折射率1.5469。三种均微溶于水,溶于乙醇、乙醚;可氧化成酸;可以发生安息香缩合、克莱森缩合(Claisen condensation),交叉羟醛缩合等反应,可由相应的二甲苯部分氧化(化学法或电解氧化法)制备。是重要的有机合成中间体,用于香料,三苯甲烷染料等的合成。