In this study,the composition of tars collected during a six-day underground coal gasification (UCG) test at the experim......

Phenols,which mainly derived from coal tar and coal liquefaction oil,are very important chemical materials.Therefore,it ......

An efficient lignin depolymerization process with highly controllable product distribution was presented using metal chl......

Contribution: Astringency has been mainly attributed to the content of proanthocyanidins although monomeric phenols have......

In recent years,with the shortage of fossil energy,reasonable exploitation and utilization of renewable biomass resource......

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Hydrophilic C 18 monolithic polymer sorbents were synthesized for use in solid phase extraction (SPE) and in capillary l......

A new microemulsion high performance liquid chromatography for the determination of phenols in water has been developed.......

Background electrolyte solutions (BGEs) containing organic solvents are common alternatives to aqueous BGEs in capillary......

Vinyl-SBA-15 mesoporous silica material was firstly used as a novel coating for SPME fiber by directly and sol-gel coati......

Transition metal catalysis has proven to be a fascinating platform to forge more efficient and economical tools for the ......

The present study described the enhancement of the nutritional values of wheat and rice crackers by adding cauliflowers.......

A new C6-C2dimer phenol derivative,colletodiphenol A(1),along with two known C6-C2phenol derivatives(2,3)were isolated f......

　　Metal oxide-based stationary phases are not only viable alternatives to silica-based stationary phases but in many i......

The agricultural production on the irrigated grounds can not carry on without mineral fertilizers,pesticides and herbici......

<正> We have studied systematically the reactions of bis(cyclopentadienyl)metal dichlorides with phenol or substituted p......

<正> Organic compounds are grouped into 30 categories as follows: n-alkanes, 3-methyl alkanes and 3-ethyl alkanes, 2-met......

本文对提取得到的高粱糠不同存在形态酚类物质进行AB-8大孔树脂纯化,之后进行高效液相色谱分析及抗AAPH氧化溶血效果的测定。经AB-......

[Objective]To review the biological property,chemical constituents and their content determination methods,edible value,......

An efficient and versatile procedure for the acetylation of alcohols and phenols using acetic anhydride in the presence ......

Melamine and poly vinylpyrrolidone(PVP) reacted with neat sulfuric acid readily to form two new organic solid acids name......

Mild and efficient method for bromination of electron-rich aromatic compounds is described using polyvinylpolypyrrolidon......

A wide variety of alcohols and phenols were protected as trimethylsilyl ethers using 1,1,1,3,3,3-hexamethyl disilazane c......

A small amount of succinimide-N-sulfonic acid efficiently catalyzed the acetylation of a variety alcohols, phenols, thio......

Acylimidazolium acetate was readily prepared in situ from the reaction of imidazole with acetic anhydride and subsequent......

Physicochemical properties of bio-oil obtained from fast pyrolysis of rice husk were studied in the present work.Molecul......

The structure of milled wood lignin(MWL), isolated via the Bjrkman procedure, was studied by means of 1H NMR spectrosc......

Phenols motifs are used as common versatile synthons in organic synthesis due to their wide availability and low cost.Th......

Nanoparticle Fe3 O4 encapsulated CuO, as a heterogeneous catalyst, is a facile system for the synthesis of diaryl ethers......

In the transition metal-catalyzed cross-coupling reactions,phenol and enol derivatives activated by phosphorus groups ar......

A simple and efficient synthetic protocol has been developed using a one-pot, three-component reaction involving 2-amino......

A series of salicylaldimine ligands were designed to promote the copper-catalyzed Ullmann crosscoupling reaction.After a......

N-Sulfonic acid poly(4-vinylpyridinum) hydrogen sulfate has been developed as a recyclable solid acid catalyst for the a......

Herein lies a convenient and highly efficient method of olefin isomerization in the presence of RuCl3?3H2O in ionic liqu......

In(OTf)3 plays the role of a Lewis acid catalyst in the Pechmann condensation of phenols with β-ketoesters under solven......

A ZnAl2O4@SiO2 nanocomposite was prepared from metal nitrates and tetraethyl orthosilicate by the sol-gel process,and ch......

Copper zirconium phosphate nanoparticles have been used as an efficient catalyst for the acetyla-tion of a wide range of......

The color changes of one representative FCC gasoline were studied. The red substance in the FCC gasoline was concentrate......

The reaction mechanisms of phenol with formaldehyde in the first and second addition at the ortho- and para-position in ......

A solid superacid was prepared as a catalyst.The catalyst was characterized by ammonia temperatureprogrammed desorption,......

A convenient,efficient and practical metal-free method for the synthesis of substituted phenols from arylboronic acids h......

The two novel green oxidation processes of p/o-cresols to p/o-hydroxybenzaldehydes catalyzed by metalloporphyrins in the......

A ligand-controlled gold-catalyzed highly site-selective insertion of a carbene into carbonhydrogen bonds has been achie......

A new method employing magnetic nanoparticles Fe_3O_4 as a catalyst and H_2O_2 as a green oxidant is developed for the o......

p-Quinols are ubiquitous structural motifs of various natural products and pharmaceutical compounds,and versatile buildi......

制备了V@CN催化剂,并用于氧气条件下芳烃的直接羟基化反应.结果表明,在V@CN催化剂作用下,带有不同吸电子基团(CN,NO2,COOH,CF3和CO......

The roots of Paeoniae lactiflora Pall.are widely consumed as crude drugs in Asian countries due to their remarkable bene......

[Objectives] To analyze main components of polyphenols of Trillium tschonoskii Maxim. and study changes under different ......

[Objectives] To determine the optimum extraction technology for total phenols of leaves in Acanthopanax giraldii Harms.[......