isomers相关论文
Phase Behaviors of Multi-tailed B2AB2-Type Regio-isomeric Giant Surfactants at the Columnar-Spherica
We report herein the precision synthesis and phase behaviors of multi-tailed B2AB2-type regio-isomeric giant surfactants......
In the present study, three compounds were isolated from Argyreia acuta, among them, compounds 1 and 2 were new and Comp......
Multiplexed VUV photoionization mass spectrometry utilized to investigate radical reactions in atmos
Photoionization mass spectrometry(PIMS)as a powerful method has been widely utilized and provided valuable insight in th......
Determination and quantification of fatty acid C=C isomers by in situ epoxidation reaction and liqui
...
Determination and quantification of fatty acid C=C isomers by in situ epoxidation reaction and liqui
INTRODUCTION Fatty acids(FAs)are the most fundamental lipid class in living organisms and play critical roles in the for......
Determination and quantification of fatty acid C=C isomers by in situ epoxidation reaction and liqui
Fatty acids(FAs)are the most fundamental lipid class in living organisms and play critical roles in the formation of cel......
Alkyl dinitrites have at-tracted attention as an im-portant type of nitrosating agent and a pollution source in atmosphe......
A pair of Z-E enaminonitrile isomerisms 2-(3,4-dimethoxyphenyl)-3-((3-methoxyphenyl)ami-no)acrylonitrile(C18H18N2O3,Mr=3......
Levoglucosan and its isomers----mannosan and galactosan are monosaccharide anhydrides(MAs) from pyrolysis of celluloses ......
Terahertz (THz) radiation can interact strongly with the intermolecular hydrogen bond network in water and polar solvent......
<正> Perfluoro-capryl-amido-propyl-triethoxy-silane, CF3 （CF2）6 CONH （CH2）3 Si（OC2H5）3, is a new type of organic fluoro-silieo......
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> The splitting of natural insulin into its individual chains and the resynthesis of insulin therefrom involve the cl......
<正> Ⅰ. INTRODUCTION The photocycloaddition reactions of 1,3-dimethyl-6-azathymine with heptene-1 and cyclohexene have ......
<正> The strueture generator and substructure search computer program (SGSSp) has been used in identification of molecul......
<正> Through reductive addition of pheny llithium to μ—S2Fe2 （CO）6 and nucleophilic substitution between alkyl halides a......
最近的实验开创可能性在充满中子的钨同位素调查过寺院生活的排列旋转的状态和延长 high-K 异构体。在现在的工作，我们为 A 执行 pr......
Objective:The aim of the study was to explore the activities of cis9,trans11-CLA(C9,t11-CLA) and trans10,cis12-CLA(t10,c......
A series of novel daphneolone analogs was designed and synthesized on the basis of natural product 1,5-diphenyl-2-penten......
We designed and optimized a large number of the isomers of Si12+ at the level of density functional theory (DFT)-B3LYP/6......
A series of novel 7-amide substituted-4-androstene-3,17-dione derivatives(8αa “8αh or 8βa ”8βh) was synthesized fr......
The lowest-energy structures and properties of neutral nickel clusters Nin(n=31―35) were studied by a combination metho......
Structures,stabilities,and IR and ~(13)C-NMR spectra of dihedral fullerenes:A density functional the
Dihedral fullerenes are thermodynamically stable molecules with D nd or D nh symmetry.Based on experimental findings,two......
A mild,efficient and eco-friendly process for the electrophilic nitration is described using N_2O_5 as a green nitrating......
High stability of the goldalloy fullerenes:A density functional theory investigation of M_(12)@Au_(2
Discovering highly stable metal fullerenes such as the celebrated C 60 is interesting in cluster science as they have po......
Identification of the metabolites of biologically active xanthones isolated from Halenia elliptica D
Metabolism study has been carried out on 1-hydroxy-2,3,5-trimethoxyxanthone(HM-1) and 1-hydroxy-2,3,4,7- tetramethoxyxan......
DFT Study on the Structural, Electronic, and Spectroscopic Properties of the Highest Epoxygenated Fu
Theoretical investigation on the highest epoxygenated fullerene C36O18 formed from the initial C36 fullerene with D6h sy......
To investigate the effect of spatial configuration on the gelation properties of low molecular mass gelators(LMMGs),four......
Quantum-chemical Investigations of Structures and Stabilities of Ethynyl-or Ethenyl-expanded [n]-Pri
Quantum-chemical calculations on some derivatives of [n]-prismanes expanded by ethynyl or ethenyl groups have been perfo......
In this work,the structures of a pair of isomers were identified.And we showed the ability of the selective 1D version,p......
With the B3LYP calculation method of density functional theory(DFT)and the 6-31G* basis set,full optimization calculatio......
Synthesis of α-fluoro-β-amino acids via the Reformatsky reaction of chiral N-tert-butylsulfinylimine
Treatment of chiral N-tert-butyl sulfinylimines with ethyl bromofluoroacetate in the presence of activated Zn dust in TH......
Perhydroindan(bicyclo[4.3.0]nonane) was converted in a flow-type apparatus under a hydrogen pressure of 5 MPa on six dif......
Synthetic studies on the construction of 7-O-methylquercetin through regioselective protection and a
Synthetic studies on the construction of 7-O-methylquercetin from quercetin in 36%yield in four steps is reported,this s......
This work describes the development of a capillary electrophoresis(CE)method for the simultaneous separation of acetophe......
Density functional theory (DFT) calculations are employed to investigate the structural and electronic properties of MoS......
基于密度泛函理论(DFT)的B3LYP方法,研究了TinO2和TinO2-(n=1-10)团簇的几何结构、电子结构以及磁性.结果表明,两个氧以分离的原子......
Structures, stabilities, and electronic properties of F-doped Si_n(n= 1~12) clusters: Density functi
The geometries, stabilities, and electronic properties of FSin(n = 1 ~ 12) clusters are systematically investigated by u......
Heterolytic and homolytic C-D bond dissociation energies of three NADH models:BNAH-4,4-d2,HEH-4,4-d2 and AcrD2 in aceton......
Orbital responses to methyl sites in C_nH_(2n+2) (n=1-6) are studied by B3LYP/TZVP based on the most stable geometries u......
The ferric perchlorate-promoted reaction of [60]fullerene (C60) with ethyl 2-methylacetoacetate generates fullerenyl hem......
Ga(ClO_4)_3-catalyzed Reaction of 1,2-Diamines and α-Bromoketones:Synthesis of 2-Substituted Quinoxa
Ga(ClO4)3-catalyzed reaction of 1,2-aryldiamines and α-bromoketones to afford 2-substituted quinoxalines in good yields......
Transition-metal-salt-mediated radical reactions of fullerenes have attracted extensive attention as a new and important......
Systematic study on the electronic/geometrical structures and the parity alternation effect of silicon-doped ternary cat......
First-Principles Study of Geometries,Stabilities and Electronic Properties of Ca_2Sin_(n=1–11) Clust
The equilibrium geometries,relative stabilities,and electronic properties of Ca2Sin(n=1–11)clusters have been systemati......
Photo-isomerization of aromatic α-hydroxy hydrazone was reported. We investigated the structures of salicylaldehyde phe......
Photomechanical response of amorphous polymerfilms containing azobenzene chromophores in side chainsis studied. By invok......
A theoretical study on the mechanisms of intermolecular hydroacylation of aldehyde catalyzed by neut
In this paper, we used density functional theory(DFT) computations to study the mechanisms of the hydroacylation reactio......
Electronic properties and stabilities of methoxy-substituted Lindqvist polyoxometalates [Nb_2W_4O_(1
The electronic properties and stabilities of five [Nb2W4O18OCH3]3-isomers have been investigated using a density functio......
