steric相关论文
The time-dependent quantum dynamics calculation for reaction O(3p)+CH4→ CH3+OH is made, using of the semirigid vibratin......
A New Biselector Chiral Stationary Phase Derived from Tartaric Acid and Its Enantioseparation Evalua
Two chiral selectors were synthesized from tartaric acid. The selectors were simultaneously immobilized on 3-aminopropyl......
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 ......
The self-assembly of 5-bromoisophthalic acid (H2BIPA) with Eu(NO3)3·6H2O under the hydrothermal conditions gave a 3D co......
Although there was a strong steric effect,isopentenyl and geranyl moieties were successfully introduced into C3 position......
Formamidine derivatives could be used as the building blocks for substituted heterocyclic compounds with various biologi......
The Mg2+/Li+/Cl solutions were filtrated with a commercially available DK nanofiltration membrane to investigate the pos......
Effect of solvent on catalytic performance of anhydrous catalyst in acetylene dimerization to monovi
The production of monovinylacetylene (MVA) through Cu(Ⅰ)-catalyzed acetylene dimerization reaction was performed in dif......
The quantitative adsorption behavior of a hyperdispersant onto nano-TiO2 particles has been characterized by using FTIR(......
Systematic analysis about the exploitation of imidazolium based ionic liquids(ILs),[BMIM]BF_4[IL1],[EMIM]BF_4 [IL2]and[B......
将二价钌配合物用于催化环丙乙炔扩环生成四元环结构的反应,扩展了一系列环丙乙炔底物和磺酰胺底物,并得到了较高的产率.
The div......
An inverted triplesalen ligand by a convergent synthesis and its influence on trinuclear Fe~Ⅲ_3 comp
The inverted triplesalen ligand H6feldMe has been synthesized from 2,4,6-triformyl-phloroglucinol and a ketimine salen h......
The nonradiative decay of a π-stacked pair of adenine molecules,one of which was excited by an ultrafast laser pulse,is......
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}-......
Organoactinide complexes containing terminal metal-ligand multiple bonds have received widespread attention over the pas......
10 mol% CuI combined with the DMEDA ligand can efficiently catalyze the N-arylation of 2-arylindoles with aryl iodides a......
Recent progress in the research of radical anion ligands and their complexes with metals were summarized in this review.......
Tri(4-methoxy-1-benzyloxyl)(pentamethylcyclopentadienyl)titanium(Cp*Ti(OBzOCH3)3) in conjunction with modified methylalu......
A squaraine based fluorescent probe for mercury ion via coordination induced deaggregation signaling
Due to the high affinity between dithiocarbamate(DTC) and Hg2+,a fluorescent probe based on squaraine chromophore with D......
Structure and Photoluminescence of a New 3D Cu_4I_4 Hybrid Constructed by a Flexible Acyclic Aliphat
A new 3D copper(I) iodide hybrid, [Cu4I4(TMEDA)2]n(1, TMEDA = N,N,N’,N’-tetramethylethylenediamine), has been solvothe......
A series of salicylaldimine ligands were designed to promote the copper-catalyzed Ullmann crosscoupling reaction.After a......
The captioned question has been addressed by the steric effect; namely, the adsorption of proteins on a surface grafted ......
Nine phthalates were calculated at the B3LYP/6-311G** level using DFT method. The corresponding linear relationship equa......
Binding of Pyrene to Different Molecular Weight Fractions of Dissolved Organic Matter:Effects of Che
The binding constant(KDOM) of pyrene onto different molecular weight(Mw) fractions of a dissolved organic matter(DOM) ex......
Anion can be identified by pyromellitic imide-azacyclophane which is one of the host compounds.This article investigated......
pH and temperature responsive copolymers PNAM4VBCB of N-isopropyl acrylamide(NAM) and complex pseudorotaxane monomer N 1......
Asymmetric reduction of α-hydroxy aromatic ketones to chiral aryl vicinal diols using carrot enzymes
Asymmetric reduction ofα-hydroxy aromatic ketones was carried out by using carrot enzymes system,yielding corresponding......
Influence of Steric Hindrance Between Hydrogen Atoms of Linkage Groups and Adjacent Phenyls on Prope
A diamine monomer 4,4′-methylenedianiline(MDA) was introduced to modify the polyimide of pyromellitic dianhydride(PMDA)......
Novel copolymers based on acrylamide(AM)and complex pseudorotaxane monomer N’-(3-vinylbenzyl)-1,4- diaminobutane dihydr......
Copper zirconium phosphate nanoparticles have been used as an efficient catalyst for the acetyla-tion of a wide range of......
Four aryl-guanidines(AG) were synthesized and used for the palladium-catalyzed Suzuki cross-coupling reaction to test th......
As one of the three viral encoded enzymes of HIV-1 infection, HIV-1 integrase has become an attractive drug target for t......
Quantitative structure-activity relationship of 2-alkyl-4-(biphenylylmethoxy) pyridine derivatives w
The quantitative structure-activity relationship(QSAR) of 2-alkyl-4-(biphenylylmethoxy) pyridine derivatives was studied......
Quantitative structure-activity relationships of antimicrobial fatty acids and derivatives against S
Fatty acids and derivatives(FADs)are resources for natural antimicrobials.In order to screen for additional potent antim......
Hydrothermal Processing,Characterization and Theoretical Calculations of a Copper(Ⅱ) Compound with 1
The metal-organic compound [Cu(MOPIP)2(OH)2] 1(MOPIP = 2-(4-methoxy-phenyl)-1H-imidazo[4,5-f][1,10] phenanthroline) was ......
2D-and 3D-QSBR Study on the Relationship between the Structure and Biodegradation Property of Sulfon
Using DFT method, 10 sulfonylurea herbicides were computed at the B3LYP/6-31G* level. Based on linear solvation energy t......
Synthesis,Crystal Structure and Photophysical Properties of Cu(Ⅰ) Complexes Containing 2,5-Bis(pyrid
Four novel Cu(Ⅰ) complexes,[Cu(o-PYO)(PPh3)2]BF4(1),[Cu(o-PYO)(DPEphos)]BF4(2),[Cu2 (o-PYO)(PPh3)3(CH3CN)](BF4)2(3) and......
As the rate-determining step in native chemical ligation reactions, the thiol–thioester exchange step is important in d......
Density functional theory(DFT) method was used to explore the origin of the regioselectivity of Cocatalyzed hydroacylati......
Urea-bridged diferrocene derivatives N,N?-diferrocenylurea(1) and N,N?-dimethyl-N,N?-diferrocenylurea(2) were prepared a......
Fluorescence active fused-triazole was developed as a ligand in gold(I) cation coordination. The coordination ability wa......
The in-pile performance of ceramic fuels is significantly affected by the fission products. In this work, we have perfor......
The benzyl-substituted flavone compounds are rare in nature, while some of which have interesting biological activities.......
Rhodium(III)-catalyzed coupling between ketoximes and alkynes via C–H activation and annulation typically followed the[......
To explore new platform for DNA intercalation and potent antitumor agent,a series of 8-oxo-8H-acenaphtho[1,2-b]pyrrole-9......
In the past thirty years,transition metal catalyzed silylation of inert C–H bonds has attracted intensive attention due......
Nickel zirconium phosphate nanoparticles were found to function as efficient catalysts for the selective oxidation of a ......
Host-guest interaction of β-cyclodextrin with isomeric ursolic acid and oleanolic acid:physicochemic
Ursolic acid(UA) and oleanolic acid(OA) are insoluble drugs. The objective of this study was to encapsulate them into β......
Influences of fluorination on homoleptic iridium complexes with C^N=N type ligand to material proper
Two new iridium complexes with C^N=N type ligand(i.e., Ir(BFPPya)3{tris[3,6-bis(4-fluorophenyl)pyridazine]iridium(III)} ......
