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Benzocyclic ketones(1-Indanones)are widely regarded as key functional groups and structural motifs in natural products,a......
Revealing dual capacitive mechanism of carbon cathode toward ultrafast quasi-solid-state lithium ion
High-performance lithium ion capacitors(LICs) have been seriously hindered by the very low capacity and unclear capaciti......
Five kinds of carboxymethyl sulfochitosans with different regions such as N-carboxymethyl-O-sulfochitosan, O-carboxymeth......
An analog of phthalascidin (Pt-650) was synthesized with an improved synthetic route. With precursor 2 as the starting m......
Treatment of tricarbonyl cyclopentadienyl metal (molybdenum or tungsten) chloride with equal molar amounts of tricarbony......
Photooxidation of carbonyl sulfide (COS) under UV irradiation and the role of the oxides such as SiO2, Al2O3 and Fe2O3 w......
The bimetallic Ru-M (M=Co,Fe,Ni,Mo, Rh,Cr, Mn) catalysts were prepared from SiO<sub>2</sub>-supported bimetallic carbonyl ......
The (S)-sulfide 6 has been synthesized as a synthetic equivalent of novel 3-piperidinol N-α-carbanion B via deprotonati......
[η<sub>5</sub>-OH<sub>3</sub>C(O)C<sub>5</sub>H<sub>4</sub>Cr(CO)<sub>2</sub>]<sub>2</sub>S 1, [η<sup>5</sup>-CH<sub>3</su......
Reaction mechanism and chemoselectivity of gold(Ⅰ)-catalyzed cycloaddition of 1-(1-alkynyl) cyclopro
The mechanisms of gold(Ⅰ)-catalyzed cycloaddition of 1-(1-alkynyl) cyclopropyl ketones with nucleophiles have been inve......
The influence of mischmetal addition on physicochemical properties of PtSnNa/ZSM-5 catalyst was studied by means of XRF,......
An effective and environmentally benign benzylic oxidation for transition of alkylarenes into the corresponding carbonyl......
PEG-OSO_3H as an efficient and recyclable catalyst for the synthesis of β-amino carbonyl compounds v
Sulfuric acid-modified polyethylene glycol 6000(PEG-OSO_3H) was applied as an efficient and recyclable catalyst for the ......
Synthesis,Characterization and Crystal Structure of a Diiron Azadithiolate Complex [(μ-SCH_2)_2NCH_2
Treatment of complex [(μ-SCH 2) 2 NCH 2 Ph]Fe 2 (CO) 6 with PPh 3 in the presence of decarbonylating agent Me 3 NO·2H ......
Extremely small PtRu/C nanocatalysts were prepared via a carbonyl route.A thorough in situ reduction X-ray structural ch......
A series of activated carbons(ACs) were prepared using HNO_3,H_2O_2 and steam as activation agents with the aim to intro......
Density functional theory study of the mechanism of the acid-catalyzed decarboxylation of pyrrole-2-
The mechanisms of the acid-catalyzed decarboxylation of pyrrole-2-carboxylic acid and mesitoic acid have been investigat......
Quantum chemical calculations of the structures and cation-anion interaction of 1-ethyl-3-methylimidazolium lactate ([Em......
Sulfamic acid as a cost-effective and recyclable solid acid catalyst for Friedel-Crafts alkylation o
Sulfamic acid was proved to be a cost-effective and recyclable catalyst for Friedel-Crafts type reaction of indole with......
A novel β-diketone, 1-(3,4,5-trisbenzyloxy)benzoyl-5-benzoyl acetylacetone (TBAA), and its corresponding binary Tb(Ⅲ) ......
Magnetically recoverable Fe3O4 nanoparticles have been synthesized as a catalyst for the cyclocondensation of 1,2-phenyl......
Systematic structure modification of the side train of the lead compound saprothoquinone provides a series of salvicine ......
The title compounds, C16H16O5 (I) and C16H16O5·H2O (II), were structurally characterized by single-crystal X-ray diffra......
Synthesis,Crystal Structure and Biological Activity of N-tert-butyl-N-(4-methyl-1,2,3-thiadiazole)-5
The title compound N-tert-butyl-N-(4-methyl-1,2,3-thiadiazole)-5-yl-N’-(4-me-thyl-1,2,3-thiadiazole)-5-formyl-N’-3,5-d......
An aminophenol ligand, N,N,N′-tri(2-hydroxy-5-methylbenzyl)-1,2-ethanediamine, was prepared through the Mannich reactio......
Synthesis,Crystal Structure,and Biological Activity of Naphthalen-2-yl4-methyl-1,2,3-thiadiazole-5-c
The title compound naphthalen-2-yl-4-methyl-1,2,3-thiadiazole-5-carboxylate (C 14 H 10 N 2 O 2 S,M r=270.31) was synthes......
Analysis of Aging Mechanism of SBS Polymer Modified Asphalt based on Fourier Transform Infrared Spec
The aging mechanism of SBS modified asphalt during its aging process was studied.The characterizations of base asphalt,S......
Synthesis of naphthalene derivatives through inexpensive BF_3·Et_2O-catalyzed annulation reaction of
An inexpensive BF3·Et2O-catalyzed annulation reaction of arylacetaldehydes with arylalkynes has been developed. Various......
N-pivaloyl-Nˊ-(3,4-dichlorophenyl)thiourea (1): monoclinic, P21/a, a=11.57(1), b=9.278(8), c=13.51(1), β=103.85(1)°......
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......
Asymmetric hydrogenation of α-keto Weinreb amides has been realized with [Ru((S)-Sunphos)(benzene)Cl]Cl as the catalyst......
利用原位透射红外光谱研究了2.8nm超细钴纳米粒子在2~3MPa合成气(CO:H2=1:1)和100℃条件下催化的1-己烯氢甲酰化反应.结果表明,在......
醛酮类化合物具有慢性毒性,在日常的家具、塑料制品中多含有该类化合物,会自动释放至空气中,随着时间逐步积累而浓度增加,在此种环......
Characterization of Average Molecular Structure of Heavy Oil Fractions by ~1H Nuclear Magnetic Reson
The chemical structure of heavy oil fractions obtained by liquid-solid adsorption chromatography was character-ized by 1......
Removal of carbonyl sulfide(COS) from CO2 stream is significant for the production and utilization of food grade CO2. Th......
How Effective Is the Single-point Energy Calculation in Investigating the Reaction Mechanisms?New De
The decarboxylation of pyrrole-2-carboxylic acid in acid solutions was elucidated by full optimization with the CPCM sol......
Peptide thioester preparation via intramolecular O-to-S acyl transfer is a recently developed method for protein chemica......
Efficient synthesis of functionalized hydroindoles via catalyst-free multicomponent reactions of nin
An efficient synthesis of hydroindeno[1,2-b]indoles is described via three-component reaction of ninhydrin and cycloalka......
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......
Formation of thiazol-2(3H)-imines by reaction of α-amino acids, aroylisothiocyanates, and α-bromoket
An efficient one-pot synthesis of functionalized thiazol-2(3H)-imines by a three-component reaction between aroylisothio......
A straightforward and efficient method for the synthesis of thiopyran derivatives via three-component reaction of alkyl ......
The intermolecular interaction between poly(vinylphenol)(PVPh) and polycaprolactone(PCL) and the crystallization behavio......
Design,synthesis and in vitro evaluation of tetrahydropyrimidine-isatin hybrids as potential antitub
A series of 5-substituted-3-[{5-(6-methyl-2-oxo/thioxo-4-phenyl-1,2,3,4-tetrahydropyrimidin-5-yl)-1,3,4-oxadiazol-2-yl}-......
Two novel 27-norergostanol steroids,panthogenins A(1) and B(2),possessing unusual rings E and F featuring a ketal moiety......
Synthesis,crystal structures and luminescence properties of europium and terbium picolinamide comple
The novel coordination structures of europium and terbium chloride-picolinamide complexes(EuCl_3.(C_6H_6N_2O)_2.5H_2O,Eu......
Synthesis of 5-functionalized-1,2,3-triazoles via a one-pot aerobic oxidative coupling reaction of a
In this paper, an efficient synthesis of 5-alkynyl-1,2,3-triazoles through a one-pot aerobic oxidative coupling reaction......
A Three-dimensional Cd(Ⅱ) Coordination Polymer with Unique 8-Connected LOMFOI Topology Based on Mixe
A new metal-organic framework,{[Cd(DPA)(OBA)]·(H2O)}n(1,DPA = 4,4-dipyridylamine,H2OBA = 4,4-oxybisbenzoic acid),has be......
Preparation, Structure and Electrochemical Property of a Pyrazole-substituted Diiron Dithiolate Comp
A pyrazole-substituted diiron dithiolate complex [Fe2(μ-pdt)(CO)5(3,5-Me2Pz)](1,3,5-Me 2Pz=3,5-dimethylpyrazole) was pr......
One-pot synthesis of novel pyrrolo-1,4-benzoxazines via a three- component reaction of 2-amino pheno
A simple and efficient synthetic protocol has been developed using a one-pot, three-component reaction involving 2-amino......