ortho相关论文
TPGS approved by FDA can be used as a P-gp inhibitor to effectively reverse multi-drug resistance(MDR)and as an anticanc......
Trace and rare-earth element geochemistry: A tool for petrogenetic and geotectonic modeling of ensim
A model for the petrogenetic affinity and original geotectonic setting of ortho-amphibolites from the Obudu Plateau was ......
<正> In this paper, according to the relation between the retention value and molecular parameters derived by using homo......
<正> The phase equilibrium relationships in the systems Sm2O3-BeO, Ho2O3-BeO and Y2O2-BeO have been studied by the quenc......
The reaction of ethyl α-bromocinnamates with tetrabutyl ammonium fluoride(TBAF) was influenced largely by the position ......
The reaction mechanism and kinetics for the addition of hydroxyl radical(OH) to phenol have been investigated using the ......
Synthesis and Crystal Structure of 3-(4-Chlorophenyl)-8-cyano-2-(di-isopropylamino)-5-methyl-7-(meth
The crystal structure of the new title compound 3-(4-chlorophenyl)-8-cyano-2-(di-iso-propylamino)-5-methyl-7-(methylthio......
Graphene-based materials are promising for hydrogen production and storage.In this work,using density functional theory ......
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......
Efficient synthesis of unsymmetrical diaryl thioethers via TBAF-mediated denitrative substitution of
Tetrabutylammonium fluoride(TBAF) effectively facilitated a denitrative substitution reaction of electron-deficient nitr......
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......
In order to investigate the suitability of ternary rare earth sulfide LaxCe2-xS3 in plastic application as a red pigment......
1-((12-Bromododecyl)oxy)-4-((4-(4-pentylcyclohexyl)phenyl)ethynyl) benzene: Liquid crystal with aggr
The luminescent liquid crystals (LLCs) are expected to solve the conflicts between the aggregation caused quenching and ......
Synthesis and Crystal Structure of a B-H Activated Compound Containing a Furan Ring and an ortho-Car
A new compound[CpCo(Se_2C_2B_(10)H_9)CH_2C(O)C_4H_3O]has been synthesized and characterized by elemental analysis,IR spe......
Gold-catalyzed chemo- and site-selective direct C-H functionalization of phenols with diazo compound
Phenols motifs are used as common versatile synthons in organic synthesis due to their wide availability and low cost.Th......
Quenching effect of deferoxamine on free radical-mediated photon production in luminol and ortho-phe
Removing excessive free radicals(FRs) by a synthetic chemical might give a clue for treatment of many iron-mediated dise......
Effect of the position of substitution on the electronic properties of nitrophenyl derivatives of fu
A series of substituted para-,meta- and ortho-nitrophenyl derivatives of fulleropyrrolidine were synthesized to investig......
Some recent advances in transition-metal-catalyzed ortho SP~2 C–H functionalization using Ru, Rh, an
In the past decade,transition-metal-catalyzed C–H functionalization by weak coordination has emerged as a practical and......
Addition Mechanisms of Phenol toward Formaldehyde under Acidic Condition: a Theoretical Investigatio
The reaction mechanisms of phenol with formaldehyde in the first and second addition at the ortho- and para-position in ......
A mild and efficient iridium-catalyzed ortho-C–H amidation with sulfonyl azides by weakly coordinating carboxylic acid ......
Rationalization of regioselectivity of electrophilic substitution reaction for cyclic compounds in t
Accepted theories predict that substitution reactions are controlled by the electronic nature of the attacked site for e......
Monodisperse Pt nanoparticles(NPs) were prepared by reduction of platinum acetylacetonate in octadecene with the presenc......
Synthesis,Structure and Properties of a Novel Nickel(Ⅱ) Chloride Complex Supported by Phosphine Liga
The C–Cl bond of N-(2-chlorophenyl)acetamide(1) was successfully activated by tetrakis(trimethylphosphine)nickel(0).The......
A palladium-catalyzed ortho-selective C–H bond chlorination reaction for the preparation of 2-chloro aromatic ketones w......
Synthesis,Characterization and Thermal Property of the Aluminum Boroxine-linked Compound with N-aryl
The boroxine-linked organic aluminum compound LAl[OB(3-C4H3O)]2(μ-O) was accomplished by reacting LAl H2 {L =(Z)-4-[(2,......
Ru(Ⅱ)-catalyzed ortho-amidation and decarboxylation of aromatic acids: a versatile route to meta-sub
Carboxylate as a promising and valuable directing group has attracted a great deal of attention.However,employing it as ......
Angew.Chem.Int.Ed.2015,54,4522~45261907年,Fries首次提出存在ortho-Quinone methides(o-QMs)中间体的设想以来,o-QMs就一直作为......
With the support by the National Natural Science Foundation of China,the research team led by Prof.Shi Zhuangzhi(史壮志)......
Simple and efficient protocol for the synthesis of benzoxazole,benzoimidazole and benzothiazole hete
Benzimidazoles, benzoxazoles, and benzothiazoles derivatives were synthesized from condensation of aldehydes and 1,2-phe......
The present study was designed to determine the chemical constituents of the stems and hooks of Uncaria rhynchophylla. T......
利用CoMe(PMe3)4或者CoMe3(PMe3)3与[PCP]-钳式配体,[Ph2P(ortho-C6H4)]2CH2(1),室温下反应,在实现碳氢键活化的同时,合成了钴的钳......
A Pd(Ⅱ)-catalyzed ortho-olefination of aromatic acetic esters is described which features with an excellent funcitional......
The structures of 26 different congeners of polychlorinated biphenyls(PCBs, including monothrough deca-chlorinated) were......
一、摄影设备和野外技术我们拍摄鱼眼象片是采用 kodalith 高反差 ortho 6556号3型胶片和 kodak Plus—X 负片(这两种标准的胶片......
Traditionally the space group of orthopyroxenes is catalogued into Pbca.Nevertheless,in 1974,Smyth found out that the b......
Copper-organic Framework Constructed from Rod-shaped Secondary Building Units with Selective Sorptio
One novel metal-organic framework [Cu_2(L)(μ_3-OH)]_n(1, H_3L = [1,1?:3?,1??-terphenyl]-4,4??,5?-tricarboxylic acid) ha......
每天服避孕药的妇女可能很快结束她们正在经历的。我今天服药了吗?”的忧虑。新的研究提示,每周一次的避孕贴剂与每天服用口服避......
Tyrosine isomers and hormonal signaling:A possible role for the hydroxyl free radical in insulin res
Oxidative stress processes play a major role in the development of the complications associated with diabetes and other ......
The nucleophilic reaction of polyfluoroaromatic compounds——II. The nucleophilic cyclization of chlor
The results of cyclization reaction between chloropentafluorobenzene and bifunctionalnucleophiles such as XCH_2CH_2OH(X......
THE FRONTIER ORBITAL ENERGV LIVEL AND ELECTRON SPECTRA OF SOME UNSVMMETRICAL BISAZO DERIVATIVES OF C
The π electron molecular orbital energy level and electron spectra of some unsymmetrical bisazo derivatives of chromot......
Study on the Biomimetic Oxidation Catalyzed by the Model Compound of Cytochrome P-450(VI)——The Influ
The influence of monosubstitution at phonyl rings in a series of T(x-P) PMn (Ⅲ)Cl (x = o , m , p-CH3, CH3O, Cl, Br, I,......
CRYSTAL STRUCTURE OF TRIS(2-THENOYLTRIFLUOROACETONATO)BIS(TRIPHENYLPHOSPHINE OXIDE)EUROPIUM(Ⅲ), Eu(T
C60H42O8F9S3P2Eu,Mr=1372.07 triclinic, space group Pl,a = 11.191(1), b = 12.121(2), c = 23.529(3) A,α=80.08(1),β=76.5......
A formulated as Δ fH ○[KG-1][KG-2] —? (PDDs,g)= a + b iP i + c if i is put forw......
The semiempirical calculations were performed to discuss the effects of different substituents on the optical properties......
Theoretical investigation on regioselectivity of aromatic ketones in the addition with olefin cataly
Ab initio method is employed to study the structures of twelve aromatic ketones at HF/3-21G, HF/6-31G and HF/6-31G leve......
The singlet-triplet splitting energy gap ΔEs-T= Es - ET is calculated for the ortho-, meta-, and para-xylylenes and th......
Spectral and Mechanistic Studies of the Reactions of Substituted 1,5-Benzothiazepine with Dichloroac
A [2+2] cycloaddition adduct 2 and a novel ring-opening product 3 were obtained from the reactions of 2,3-benzothiazepin......
Reaction of Co(NO 3) 2·6H 2O, Ln(NO 3) 3·6H 2O, pivalic acid and quinoline in different stoichiometric molar rat......
