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期刊Reactions of ruthenium acetylide complexes with EtO2CNCS: alkylation of the thione with dichloromethane
《Organometallics》Chang, Chao-Wan[1]; Lin, Ying-Chih[2]; Lee, Gene-Hsiang[2]; Wang, Yu[2]
Treatment of the ruthenium acetylide complexes [M]C≡CPh (1a, [M] = [Ru] = Cp(Ph2-PCH2CH2PPh2)Ru; 1b, [M] = [Ru′] = Cp(PPh3)[P(OMe)3]Ru) with 1.1 equiv of EtO2CN=C=S results in [2 + 2] cycloadditions yielding the fou...显示全部
关键词:Addition reactions alkylation Chlorine compounds Complexation Isomerization Nuclear properties Single crystals X ray diffraction analysis 
期刊Characterization and catalytic alkylation of hydrothermally dealuminated nanoscale ZSM-5 zeolite catalyst
《Catalysis Communications》Ding, Chunhua[1]; Wang, Xiangsheng[1]; Guo, Xinwen[1]; Zhang, Shuguang[2]
The acidity and pore structure of nanoscale ZSM-5 zeolite catalysts with both alumina and rare earth as binders and treated by pure steam were studied by various techniques, including X-ray diffraction (XRD), Ammonia ...显示全部
关键词:alkylation Hydrothermal synthesis Methanol Toluene Xylene Zeolites 
期刊DFT investigation of alkyl sulfate surfactant adsorption at the air-water interface
《Journal of Dispersion Science and Technology》Chen, Mei-Ling[1]; Wang, Zheng-Wu[2]; Tao, Fu-Ming[3]
The interaction of alkyl sulfate surfactant with water molecules was studied by using DFT. It was revealed for the first time that alkyl sulfate surfactant formed stable hydrate with six water molecules when it was sa...显示全部
关键词:Adsorption Air alkylation Anionic surfactants Biophysics Density functional theory Dewatering Dyes Hydrates Hydration Hydrophilicity Molecules Probability density function Programming theory Surface active agents 
期刊A water-soluble polysaccharide (EFP-AW1) from the alkaline extract of the roots of a traditional Chinese medicine, Euphorbia fischeriana: Fraction and characterization
《Carbohydrate Polymers》Liu, Jicheng[1]; Sun, Yongxu[1]; Liu, Lei[1]; Yu, Chunlei[1]
A water-soluble polysaccharide, designated as EFP-AW1, was isolated from the roots of Euphorbia fischeriana and purified to homogeneity by gel-filtration chromatography. Its carbohydrate content was up to 92.34%, whic...显示全部
关键词:alkylation Carbohydrates Chromatography Glucose Nuclear magnetic resonance spectroscopy Polysaccharides Structure (composition) 
期刊Reproducibility across microwave instruments: preparation of a set of 24 compounds on a multiwell plate under temperature-controlled conditions.
《Journal of Combinatorial Chemistry》Alcazar J
关键词:Microwaves alkylation Amines Comparative Study Reproducibility of Results Temperature 
期刊RESEARCH ON CONFORMATION OF CAPROLACTAM AND ITS alkyl DERIVATIVES
《东华大学学报:英文版》1995年第2期32-38,共7页蒋尚信 
Caprolactam is treated with dimethyl sulfate in benzene medium under conditions of various molar ratios to yield two different methylatcd products. The homogeneous reaction of caprolactam with dimethyl sulfate without...显示全部
关键词:alkylation CAPROLACTAM O-methyl caprolactim N-methyl CAPROLACTAM O-ethyl caprolactim chemical shift REAGENT NMR spectrum. 
期刊离子液体/硫酸催化C4烷基化反应过程强化--表界面特性研究被引量:1
《化工学报》2018年第11期4832-4839,4490,共8页曹飘 郑伟中 孙伟振 赵玲 
国家自然科学基金项目(91434108)。
利用分子动力学(MD)模拟研究了不同支链长度以及官能团的Br?nsted酸性离子液体(BILs)对H_2SO_4/C_4烷烯界面特性的调控。结果表明,BILs的加入可以明显增强C_4烷烯在两相界面处的溶解和扩散,有利于烷基化油品的提升。烷基链较长的阳离子...显示全部
关键词:MD模拟 Bronsted离子液体 液液界面 烷基化 SFILs 
期刊改性离子液体中异丁烷与丁烯的烷基化反应被引量:28
《燃料化学学报》2003年第5期462-465,共4页黄崇品 刘植昌 史权 徐春明 刘耀芳 
国家自然科学基金青年基金(20206018) ~~
向由无水三氯化铝和盐酸三乙基胺合成的离子液体中溶入不同过渡金属(铜、铁、锌等)离子,考察它们对离子液体催化异丁烷与丁烯烷基化反应性能的影响。结果表明:过渡金属离子的加入能不同程度地影响离子液体的催化性能。溶入Cu2+和Cu+后,...显示全部
关键词:烷基化 离子液体 催化 
期刊Cationic monomer-isomerization oligomerization of 2-methyl-2-butene
《Polymer》Yu, Xing Peng[1]; Lin, Feng Cun[1]; Han, Song Dai[1]; Jia, Lin Liu[1]
The polymerizations of 2-methyl-2-butene (2M2B) were carried out by various cationic initiators in different media at 30°C. All these polymerizations generate oily oligomers of rather low degrees of polymerizatio...显示全部
关键词:alkylation Distillation Friedel Crafts reaction Infrared spectroscopy Initiators (chemical) Isomerization Molecular structure Nuclear magnetic resonance spectroscopy Olefins Oligomers Toluene 
期刊The effect of trace amounts of promoter on the selectivity of catalyst in the solid acid alkylation
《Applied Catalysis A: General》He, Yigong[1]; He, Yufeng[1]
An interesting phenomenon has been discovered in the alkylation of isobutane with butene in the presence of an HPW/SiO2 solid acid catalyst under supercritical conditions. The selectivity to high octane trimethylpenta...显示全部
关键词:alkylation Amorphous materials Composition Electrons Reaction kinetics Supercritical fluids Vapor pressure 
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