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云南师范大学化学化工学院有机化学课件Chapter10 Alcohols and Phenols
云南师范大学化学化工学院 有机化学 课件 Chapter10 Alcohols and Phenols
2018/6/28
云南师范大学化学化工学院有机化学课件Chapter10 Alcohols and Phenols。
Viscosity Dependence of the Rotational Reorientation of Rhodamine B in Mono- and Poly-alcohols
Viscosity Dependence Rotational Reorientation Rhodamine B Mono-and Poly-alcohols
2016/5/20
Rotational reorientationtimes (TROT)were obtained for rhodamine B in a series of n-alcoholsand polyalcohols of varying viscositiesby a transient grating technique. The general trend of the Debye-Stoke...
ZnAl2O4@SiO2 nanocomposite catalyst for the acetylation of alcohols, phenols and amines with acetic anhydride under solvent-free conditions
Spinel-type oxide Zinc aluminate Silica Sol-gel process Nanocomposite Heterogeneous catalyst Acetylation Solvent-free condition
2014/3/8
A ZnAl2O4@SiO2 nanocomposite was prepared from metal nitrates and tetraethyl orthosilicate by the sol-gel process, and characterized by X-ray diffraction, Fourier transform infrared, transmission elec...
Cyanoethylation of alcohols and amines by cesium-modified zeolite Y
Modified Y zeolite Basic catalyst Cyanoethylation Nano-particle
2014/3/11
Zeolite Y modified by cesium and magnesium ions was prepared by ion-exchange and impregnation methods, and its activity in the cyanoethylation of aliphatic and aromatic alcohols and amines was investi...
Tribromo melamine as novel and versatile catalyst for the formylation and acetylation of alcohols
Tribromo melamine Acetylation Formylation Alcohol Ethyl formate Acetic anhydride
2014/3/11
Tribromo melamine has been found to be an efficient and green organocatalyst for the acetylation and formylation reactions of alcohols with acetic anhydride and ethyl formate at room temperature and u...
In situ generated acylimidazolium acetate as an efficient catalyst and acylating agent for the acetylation of alcohols, phenols, and amines at ambient temperature（图）
Acetylation Acylimidazolium acetate Imidazole Ionic liquid
2013/9/25
Acylimidazolium acetate was readily prepared in situ from the reaction of imidazole with acetic anhydride and subsequently acted as a catalyst and acylating agent for the efficient acetylation of alco...
{[K.18-Crown-6]Br3}n：A tribromide catalyst for the catalytic protection of amines and alcohols（图）
{[K.18-Crown-6]Br3}n Trimethylsilylation Tetrahydropyranylation Alcohol Organic tribromide N-boc protection of amine
2013/9/25
{[K.18-Crown-6]Br3}n, a unique tribromide-type catalyst, was utilized for the N-boc protection of amines and trimethylsilylation (TMS) and tetrahydropyranylation (THP) of alcohols. The method is gener...
Influence of Fatty Alcohols and Acids on the Clarity and Biota of Impounded Reservoirs
Influence Fatty Alcohols Acids Clarity Biota Impounded Reservoirs
2013/9/11
This project presents results on a laboratory and field investigation of some of the biological and physical effects as a result of the use of a 1:1 mixture of hexadecanol and octadecanol. Laboratory ...
An Efficient and Facile Procedure for Synthesis of Acetates from Alcohols Catalyzed by Poly(4-vinylpyridinium tribromide)（图）
acylation poly acetic anhydride alcohol acetate
2013/10/4
Poly(4-vinylpyridinium tribromide) is an efficient catalyst for the conversion of various alcohols to their corresponding acetate derivatives with acetic anhydride. This method has some advantages suc...
Polyvinylpolypyrrolidoniume Tribromide as an Efficient Catalyst for the Acetylation of Alcohols and Phenols（图）
alcohol phenol polyvinylpolypyrrolidoniume tribromide acetylation acetic anhydride
2013/10/4
An efficient and versatile procedure for the acetylation of alcohols and phenols using acetic anhydride in the presence of a catalytic amount of polyvinylpolypyrrolidoniume tribromide has been success...
Silylation of Alcohols and Phenols with Hexamethyldisilazane over Highly Reusable Propyl Sulfonic Acid Functionalized Nanostructured SBA-15（图）
reusable heterogeneous catalyst solid sulfonic acid SBA-15 protecting group silylation hexamethyldisilazane
2013/10/10
Various alcohols and phenols were trimethylsilylated in excellent yields using hexamethyldisilazane in the presence of catalytic amounts of environmentally friendly, hydrophobic, highly thermal stable...
Catalytic Performance of Nano-SiO2-Supported Preyssler Heteropolyacid in Esterification of Salicylic Acid with Aliphatic and Benzylic Alcohols（图）
Preyssler heteropolyacid silica esterification salicylic acid
2013/10/13
An efficient and environmentally benign procedure for the catalytic esterification of salicylic acid with aliphatic alcohols, CnH2n+1OH (n = 1–5) and benzylic alcohols, RC6H4CH2OH (R = H, NO2, OCH3, B...
Vapor phase alkylation of toluene using various alcohols over H3PO4/MCM-41 catalyst: influence of reaction parameters on selectivity and conversion
Alkylation toluene mesoporous MCM-41 vapor phase H3PO4
2010/12/20
A mesoporous MCM-41 molecular sieve material with a molar ratio of SiO2/Al2O3 = 70 and loaded with H3PO4 was used as a catalyst for the alkylation of toluene, using various alcohols, namely methanol, ...
Synthesis of Mixed Alcohols from Syngas over Cs-modified Cu/Ce1−xZrxO2 Catalysts
Coprecipitation decomposition method Copper catalyst Ceria-zirconia support Cesium promoter
2010/9/8
Cu/Ce1−xZrxO2 (x = 0-1) was prepared by a coprecipitation-decomposition method using NH3 · H2O as precipitant (to avoid residues of alkali metals), followed by a boiling process to eliminate NH3...
Development of a ZnO-modified Light-Scattering Sensor for the Detection of Alcohols
a ZnO-modified Light-Scattering Sensor Alcohols
2010/9/20
A light-scattering sensor that incorporated zinc oxide (ZnO) nanoparticles was developed and characterized in this study. Evenly distributed nanostructured ZnO materials were formed on the sensing ele...