intramolecular相关论文
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OG-PP81:An Intramolecular Ylide Cyclopropanation Reaction for Stereoselective Synthesis of Benzo[n.1
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Intramolecular hydrogen bonding interaction,a mechanism for the bridging linkages to exert electroni
Seven diiron hexacarbonyl complexes,[Fe_2(L)(CO)_6](L = two monothiolate or dithiolate ligans),as the mimics of the diir......
Luminescent materials are everywhere in our daily life. However, most are not performing at their best performance becau......
Computational Insights into the Excited State Intramolecular Proton Transfer Reactions in Ortho-hydr
Excited-state intramolecular proton transfer(ESIPT) reactions of three ortho-hydroxylated oxazolines, 2-(4,4-dimethyl-4,......
<正> In the study of thermal degradation of high polymers, Madorsky and Straus suggested that degradation of polychlorot......
Semiempirical 量化学方法 AM1 被采用在 intramolecular 质子转移(IPT ) 计算 perylenequinone (PQ ) 的偶极子时刻过程。在那里......
Blue AIEgens bearing triphenylethylene peripheral： adjustable intramolecular conjugation and good de
构造深蓝的新途径导致聚集的排放(AIE ) 材料被探索了，它由二不同策略控制变化形式，为器官的轻射出的二极管的商品化做大步。以便弄......
Improvement on stability of square planar rhodium (Ⅰ) complexes for carbonylation of methanol to ace
A series of square planar cis-dicarbonyl polymer coordinated rhodium complexes with uncoordinated donors near the centra......
A ’H NMR signal shifted drastically to down field (δ - 10.0) at the bay area and in dose proximity to C = O group for ......
Theoretical investigation on dual fluorescence and intramolecular charge transfer of 5-phenyl-5H-phe
Quantum-chemical calculations with the time-dependent density function theory (TDDFT) have been carried out for 5-phenyl......
Photoinduced electron transfer (ET) between C60 and porphyrin (P) in a new polymer containing porphyrin, poly(p-phenyle ......
The applications of hypervalent iodine(Ⅲ) reagents in the constructions of heterocyclic compounds th
Hypervalent iodine(Ⅲ)reagents have been vastly used in many useful organic transformations.In this review article,we hi......
Bromine-contained and Modified with Amino Group, D-π-A α-Cyanostilbenzene Derivative:Synthesis, Crys
A novel D-π-A type α-cyanostilbenzene derivative,(Z)-2-(4-aminophenyl)-3-(4-bromophenyl)-acrylonitrile(ABAN), was desi......
Influence of Isotope Effects on Product Polarizations of N(~2D)+D_2, N(~2D)+H_2 and N(~2D)+HD Reacti
To figure out the influence of isotope effect on product polarizations of the N(2D)+D2 reactive system and its isotope v......
Di-and tetranuclear heterometallic Cu~Ⅱ -Ln~Ⅲ complexes (Ln=Gd and Dy): Synthesis, structure and mag
Four 3d-4f heterometallic complexes, [CuⅡ LnⅢ (bpt) 2 (NO 3 ) 3 (MeOH)] (Ln = Gd, 1; Dy, 2; bptH = 3,5-bis(pyrid-2-yl)......
This paper reports a new donor-acceptor copolymer semiconductor, PTBTh, comprising bithiophene and bithiazole where the ......
Two polymorphic forms (forms I and IV) of antidepressant bupropion hydrobro- mides were prepared and characterized by po......
A new acid-base fluorescent switch containing both imidazo[4,5-f][1,10]-phenanthroline and triphenylamine groups has bee......
Benzosiloles fused to heterocycles such as thiophene,benzothiophene,and benzofuran,and indole-and benzosilole-fused dibe......
Photochemical hydrogen production with molecular devices comprising a zinc porphyrin and a cobaloxim
Two new noble-metal-free molecular devices,[{Co(dmgH) 2 Cl}{Zn(PyTPP)}](1,dmgH = dimethyloxime,PyTPP = 5-(4pyridyl)-10,1......
Structural properties of hydroxyl-substituted alkyl benzenesulfonates at the water/vapor and water/d
Molecular dynamics simulations have been performed to investigate the structural properties of hydroxyl-substituted alky......
In this work,we developed the CHARMM all-atom force field parameters for the nonstandard biological residue chalcone,fol......
Ab initio and density functional theory calculations have been carried out to investigate the reaction of hydroxyl radic......
(E)-1-[4-(2-hydroxy-5-methoxybenzylideneamino)-phenyl]ethanone and (E)-1-[4-(2-hydroxy-4-methoxybenz
The isomeric structures of(E)-1-[4-(2-hydroxy-5-methoxybenzylideneamino)-phenyl] ethanone(I) and(E)-1-[4-(2-hydroxy-4-me......
The title compound N-(2,6-difluorobenzoyl)-N’-[5-(4-trifluoromethylphenyl)-1,3,4-thiadiazol-2-yl]urea(C17H9F5N4O2S,Mr =......
One novel porphyrin P-Q2 is planned to be synthesized by condensation between ATPP and Q1.However,after separation by ch......
Dissolution and homogeneous graft copolymerization of cellulose were performed in an ionic liquid 1-allyl-3-methylimidaz......
基于亚胺蒽醌衍生的冠醚,合成得到了一对新的生色离子载体1和2,其中化合物1显示出对Ba2+和Ca2+的选择性生色传感,而化合物2则对Mg2......
An aminophenol ligand, N,N,N′-tri(2-hydroxy-5-methylbenzyl)-1,2-ethanediamine, was prepared through the Mannich reactio......
Coupling reaction mechanism of 2-(2-bromo-4-fluorophenyl)-1-cyclohexen-1-yl trifluoromethane-sulfona
The detailed mechanism of CuI-catalyzed C-O intramolecular coupling reaction of 2-(2-bromo-4-fluoro-phenyl)-1-cyclohexen......
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)°......
An efficient synthesis of substituted 1,4-diazepines by a Pd catalyzed amination and sequential hydr
An efficient synthesis of substituted 1,4-diazepines is developed.The accessible intermediates have been obtained via Pd......
Five lanthanide complexes of Ln2(dpdc)2(tpy)2(NO3)2(H2O)2 [Ln=La(1),Ce(2),Pr(3),Sm(4),Gd(5),H2dpdc=2,2’-biphenyldicarbo......
Istomin和Palm曾提出用模型ΔfH0(RX)=h[R]+h[X]+φ[R]φ[X](式中h[R]和h[X]分别为烷基R和取代基X对单取代烷烃生成焓ΔfH0(RX)的......
Mechanistic study of copper-catalyzed intramolecular ortho-C-H activation/carbon-nitrogen and carbon
Intramolecular ortho-C-H activation and C-N/C-O cyclizations of phenyl amidines and amides have recently been achieved u......
根据芳环上酰胺和氢键受体位置的不同,氢键介质的芳酰胺和酰肼折叠体可以产生折叠、螺旋、“之”字型、直线型及其他扩展型的构象......
We investigate the diffusion interaction and quantitative analysis of zinc dialkyldithiophosphate (ZDDP) mixed with lube......
Peptide thioester preparation via intramolecular O-to-S acyl transfer is a recently developed method for protein chemica......
Fragmentation mechanism of product ions from protonated proline-containing tripeptides in electrospr
The dissociation chemistry of primary fragment ions from the protonated proline-containing tripeptides glycylprolylglyci......
The density functional theory(DFT) calculations were performed to investigate a typical Norrish/Yang type II photoreacti......
Extensive spectral tuning of the proton transfer emission from green to red via a rational derivatiz
A series of salicylideneaniline derivatives la-1f were synthesized under mild condition in high yields,and characterized......
The scandium terminal imido complex supported by a monoanionic tetradentate NNNN ligand, [LSc=N(DIPP)](L = [MeC(N(DIPP))......
The intramolecular electronic communication and multilevel ion-pairing effect of triferrocenylmethane(TriFcM) in organic......
Theoretical Studies on the Hydrogen Bonds of Different Position Action Mechanisms of Thymine with Ur
In this research, the hydrogen bonds Y···H-X(X = C, N; Y = N, O) of thymine and uracil have been theoretically studie......
Amination of tertiary and secondary alcohols using aqueous ammonia as nitrogen source was carried out by a process with ......
The title compound, N-(2-(1,3,4-oxadiazol-2-yl)phenyl)-2,3-dimethylaniline, was synthesized and studied by single-crysta......
An improved U(2) algebraic model is introduced to study the stretching and bending vibrational spectra of methane and it......
A novel phenylacetylene derivative containing urea groups was synthesized and polymerized with a Rh catalyst to give the......
Previously we have shown that POCl3-mediated H-bonding-directed one-pot macrocyclization allows for the highly selective......
