reagent相关论文
Sepsis causes neutrophil sequestration in the lung which leads to acute lung injury(ALI).Neutrophil elastase(NE) is thou......
<正> Phenylacetic acid has been employed in the determinations of thorium and scandium.As thorium and scandium may be pr......
QUANTITATIVE FORMULATION OF THE RULE OF ORIENTATION FOR THE IONIC ADDITION REACTION OF NONCONJUGATIV
<正> A large body of facts has shown that, for the ionic addition reactions of an unsymmetrical reagent onto an unsymmet......
<正> Four kinds of functional polymer reagents were synthesized, i.e....
<正> The tumor-inducing plasmid (pTi) of Agrobacterium tumefaciens is a most promising vector system in the genetic engi......
<正> Ⅰ. INTRODUCTION A variety of rhodium(Ⅰ) carbonyls with nitrogen-donor ligands have been reported, most of them ha......
<正> Several papars have been published on the extraction separation of rare-earth elements with di-sec-octyl methylphos......
STUDIES ON THE COLOUR REACTION OF COBALT WITH 2-[2-(6-BROMOBENZOTHIAZOLYL)AZO]-5-DIMETHYLAMINOBENZOI
Heterocyclic azo benzoic acid compound is a kind of highly sensitive and selective chromogenic reagent for metals. M. Fu......
The trifluoromethoxy(CF3O) group has become a novel moiety in various fields because of its unique features. However, de......
A facile and efficient method for the formylation of Grignard reagent was reported, and a new approach for the preparati......
A commercially-available sulfonphthalein derivative was demonstrated to be a chemodosimeter for Fe2+ and its sensing beh......
Preparation and Characterization of Chitosan Composite Membranes Crosslinked by Carboxyl-capped Poly
In this study a series of chemically crosslinked chitosan/poly(ethylene glycol)(CS/PEG) composite membranes were prepare......
Alkynyl selenides were prepared under very mild conditions by reacting terminal alkynes with respective diorganic disele......
A solid ternary mixture consisting of NaF,silicon and one metal oxide such as La2O3,CeO2,Pr6O11,Nd2O3,and Y2O3 was prepa......
A novel one-pot protocol for the synthesis of substituted 2-aminooxazoline from isonitriles and 2-aminoethanol was devel......
Determination of the Content of Total Flavonoids in Crateva unilocularis in Different Production Are
[Objective] The aim of this research was to determine the content of total flavonoids in Crateva unilocularis from diffe......
n-Butyltriphenylphosphonium peroxodisulfate:A cheap and efficient reagent for the aromatization of H
Different 4-substituted 1,4-dihydropyridines have been oxidized to pyridine derivatives by n-butyltriphenyl phosphonium ......
A facile synthetic route of 5-formylporphyrin(2) has been developed.Using pyrrole and pivaldehyde as the starting materi......
Microfluidic sequential injection analysis system based on polydimethylsiloxane (PDMS) chip with int
A sequential injection analysis (SIA) system based on polydimethylsiloxane (PDMS) chip with integrated pneumatic-actuate......
Polyvinylpolypyrrolidone-bromine complex:Mild and efficient polymeric reagent for bromination of act
Mild and efficient method for bromination of electron-rich aromatic compounds is described using polyvinylpolypyrrolidon......
Five new coumarin amide derivatives were synthesized with coupling reagent,the structures of which were characterized by......
An approach to synthesis of(Z)-2-chloro-1,3-diarylpropen-1-ones by Vilsmeier reagent(bis-(trichlorom
A series of(Z)-2-chloro-1,3-diarylpropen-1-ones were unexpectedly synthesized in moderate yields by treatment of easily ......
Asymmetric conjugated addition of allylcopper reagents derived from an allyl Grignard reagent and CuBr·Me_2S to chiral......
Formamidine derivatives could be used as the building blocks for substituted heterocyclic compounds with various biologi......
Titanium dioxide(TiO2),as one of the most promising semiconductor materials,has become a topic of intensive study due to......
The quasi-classical trajectory(QCT) method is employed to calculate the stereodynamics of the abstraction reactions H/D+......
Morphological control of zinc tricarbohydrazide perchlorate crystals: Theoretical and experimental s
The theoretical crystal-morphology of zinc tricarbohydrazide perchlorate (ZnCP) was studied using the morphology simulat......
Synthesis of a crescent aromatic oligothioamide and its high selectivity in recognizing copper(II) i
Functionalization of shape-persistent aromatic oligoamides still represents a diffcult task nowadays. A crescent aromati......
[Objective] To detect the content of total flavonoids in Hemiphragma heterophyllum Wall. [Method] Total flavonoids were ......
Novel precipitant prepared through carbonation with MgCl2 wastewater generated from rare earth extraction separation pro......
A state-to-state dynamics analysis for the Li+HF(v=0,j=0)→LiF(v’,j’)+H collision reaction has been performed through ......
Employing the quasi-classical trajectory method and the potential energy surface of Panda and Sathyamurhy [Panda A N and......
An efficient synthesis of thiazines from the three component reactions between dialkyl acetylenedicarboxylates,arylisoth......
Facile synthesis of bromoallenes via N-bromosuccinimide/CH_3SCH_3 for the bromination of propargyl a
A novel and convenient way has been developed for the preparation of bromoallenes from propargyl alcohols by the reagent......
Phosphine-free conversion of alcohols into alkyl thiocyanates using trichloroisocyanuric acid/NH_4SC
A convenient and efficient phosphine-free procedure for the one-pot conversion of primary,secondary and tertiary alcohol......
1,3-Dibromo-5,5-dimethylhydantoin(DBH)/kaolin:An efficient reagent system for the synthesis of 14-ar
1,3-Dibromo-5,5-dimethylhydantoin,has been used as an efficient catalyst for the synthesis of 14-aryl-14H-dibenzo[a,j]xa......
We investigate the influence of reagent vibration on the stereodynamics of the title reaction by the quasi-classical tra......
A method was developed for the determination of tetraethyl ammonium(TEA) by reversed-phase ionpair chromatography with i......
Imidazolium ionic liquid as the background ultraviolet absorption reagent for determination of morph
A novel analytical method was developed for determining morpholinium cations lacking ultraviolet absorption groups.This ......
Determination of common anions in oxalate by ion chromatography coupled with UV photolysis pretreatm
A new and simple method was developed to determine anions in oxalate of analytical reagent grade.After UV photolysis wit......
A series of sulfonated polyimide copolymers as novel proton exchange materials were synthesized by the polycondensation ......
We describe a convenient method for the synthesis of 1,2-disubstituted acetylenes via a cross-coupling reaction of(bromo......
Straight-chain aliphatic terr-amine N-oxides were found to be useful oxidizing agent for epoxidation of tri- and tetra-s......
A simple and efficient protocol for the deprotection of dithioacetal,1,3-dithianes and 1,3-dithiolanes has been develope......
A novel and green nitrating reagent has been developed for the nitrification and nitration of arylboronic acids,which ca......
Three-arm and four-arm star-like polybutadienes(PBds) were synthesized via the combination of living anionic polymerizat......
A series of novel N-tert-butyl-N′-acyl-5-memyl-l,2,3-thiadiazole-4-carbohydrazides were designed and synthesized.Their ......
A polyaluminum containing a high concentration of Al13 polymer and active chlorine(PACC) was successfully synthesized by......
An efficient palladium-catalyzed copper- and amine-free Sonogashira coupling reaction of aryl bromides and chlorides was......
