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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共35条记录   The Chemistry of Cyclotides [作者：CRAIK DAVID J; CONIBEAR ANNE C,期刊：Journal of Organic Chemistry, 页码：4805-4817 , 文章类型： Article，,卷期：2011年76-12] Cyclotides are head-to-tail cyclic peptides that contain a cystine knot motif built from six conserved cysteine residues. They occur in plants of the Rubiaceae, Violaceae, Cucurbitaceae, and Fabaceae families and, aside ... Quantum-Chemical Simulation of H-1 NMR Spectra. 2. Comparison of DFT-Based Procedures for Computing Proton-Proton Coupling Constants in Organic Molecules [作者：BALLY THOMAS; RABLEN PAUL R,期刊：Journal of Organic Chemistry, 页码：4818-4830 , 文章类型： Article，,卷期：2011年76-12] The performance of 250 different computational protocols (combinations of density functionals, basis sets and methods) was assessed on a set of 165 well-established experimental H-1-H-1 nuclear coupling constants (J(H-H)... Stereolability of Dihydroartemisinin, an Antimalarial Drug: A Comprehensive Kinetic Investigation. Part 2 [作者：CABRI WALTER; DACQUARICA ILARIA; SIMONE PATRIZIA; DI IORIO MARTA; DI MATTIA MICHELA; GASPARRINI FRANCESCO; GIORGI FABRIZIO; MAZZANTI ANDREA; PIERINI MARCO; QUAGLIA MARCO; VILLANI CLAUDIO,期刊：Journal of Organic Chemistry, 页码：4831-4840 , 文章类型： Article，,卷期：2011年76-12] Artemisinin or qinghaosu has now largely given way to the more potent dihydroartemisinin (DHA, 1) and its derivatives in the treatment of drug-resistant malaria, in combination with other classical antimalarial drugs. DH... Side Chain Effect on the Double Helix Formation of Ethynylhelicene Oligomers [作者：SAITO NOZOMI; TERAKAWA RYO; SHIGENO MASANORI; AMEMIYA RYO; YAMAGUCHI MASAHIKO,期刊：Journal of Organic Chemistry, 页码：4841-4858 , 文章类型： Article，,卷期：2011年76-12] Three series of ethynylhelicene oligomers with different side chains were synthesized: (P)-bD-n (n = 2-6) with branched alkyloxycarbonyl side chains; (P)-S-n (n = 2-7) with decylsulfanyl side chains; and (P)-DF-n (n = 4,... Synthesis, Spectroscopic Properties, and Electropolymerization of Azulene Dyads [作者：NOELL GILBERT; DAUB JOERG; LUTZ MICHAELA; RURACK KNUT,期刊：Journal of Organic Chemistry, 页码：4859-4873 , 文章类型： Article，,卷期：2011年76-12] Four azulene dyads have been synthesized and studied by spectroscopic and electrochemical methods. A triarylamine, a boron-dipyrromethene (BDP or BODIPY), a porphyrin, and an isoalloxazine moiety have been linked to an e... Fluorescent beta-Cyclodextrins Modified by Isomeric Aminobenzamides: Synthesis, Conformational Analysis, and Fluorescent Behaviors [作者：WANG LEI; ZHONG CHENG; XUE PENG; FU ENQIN,期刊：Journal of Organic Chemistry, 页码：4874-4883 , 文章类型： Article，,卷期：2011年76-12] Three isomeric fluorescent beta-cydodextrins bearing 2-, 3-, and 4-(2-aminoethyl)amino-N-butylbenzamide, respectively (1-3) have been synthesized. The conformations of these fluorescent CDs have been investigated by 2D N... Benzotriazole-Mediated Syntheses of Depsipeptides and Oligoesters [作者：AVAN ILKER; TALA SRINIVASA R; STEEL PETER J; KATRITZKY ALAN R,期刊：Journal of Organic Chemistry, 页码：4884-4893 , 文章类型： Article，,卷期：2011年76-12] Reactions of O-Pg(alpha-hydroxyacyl)benzotriazoles with (a) unprotected alpha-hydroxycarboxylic acids, (b) amino acids, and (c) amines afforded, respectively, chirally pure (a) oligoesters, (b) depsidipeptides, and (c) a... Iron(II)-Catalyzed Amidation of Aldehydes with Iminoiodinanes at Room Temperature and under Microwave-Assisted Conditions [作者：THI MY UYEN TON; TEJO CIPUTRA; TANIA STEFANI; CHANG JOYCE WEI WEI; CHAN PHILIP WAI HONG,期刊：Journal of Organic Chemistry, 页码：4894-4904 , 文章类型： Article，,卷期：2011年76-12] A method for the amidation of aldehydes with PhI=NTs/PhI=NNs as the nitrogen source and an inexpensive iron(II) chloride + pyridine as the in situ formed precatalyst under mild conditions at room temperature or microwave... Mechanism of the Palladium-Catalyzed Addition of Arylboronic Acids to Enones: A Computational Study [作者：LAN YU; HOUK K N,期刊：Journal of Organic Chemistry, 页码：4905-4909 , 文章类型： Article，,卷期：2011年76-12] The palladium(II)-catalyzed addition of arylboronic acids to beta,beta-disubstituted enones has been investigated with the BP86 density functional. The results show that the mechanism requires three steps: transmetalatio... 2,7-Diaminofluorene-Based Organic Dyes for Dye-Sensitized Solar Cells: Effect of Auxiliary Donor on Optical and Electrochemical Properties [作者：BAHETI ABHISHEK; SINGH PRACHI; LEE CHUANPEI; THOMAS K R JUSTIN; HO KUOCHUAN,期刊：Journal of Organic Chemistry, 页码：4910-4920 , 文章类型： Article，,卷期：2011年76-12] New organic dyes containing a diarylaminofluorene unit as an electron donor and cyanoacrylic acid as acceptor and anchoring group in a donor-pi-donor-pi-acceptor architecture have been synthesized and characterized as se... Highly Demanding Cross-Metathesis in the Synthesis of the C16-C30 Fragment of Dolabelide C [作者：BRAUN MARIEGABRIELLE; VINCENT AURELIE; BOUMEDIENE MEHDI; PRUNET JOELLE,期刊：Journal of Organic Chemistry, 页码：4921-4929 , 文章类型： Article，,卷期：2011年76-12] A highly demanding cross-metathesis (CM) reaction for the formation of the C24-C25 trisubstituted olefin of dolabelide C has been optimized. A difference in reactivity between the E and Z enone isomers in this reaction w... One-Pot Reductive Amination and Suzuki-Miyaura Cross-Coupling of Formyl Aryl and Heteroaryl MIDA Boronates in Array Format [作者：GROB JONATHAN E; NUNEZ JILL; DECHANTSREITER MICHAEL A; HAMANN LAWRENCE G,期刊：Journal of Organic Chemistry, 页码：4930-4940 , 文章类型： Article，,卷期：2011年76-12] Formyl-substituted aryl and heteroaryl MIDA boronates were prepared by a DMSO-free method and used in the first reported one-pot reductive amination-Suzuki-Miyaura cross-coupling sequence. This sequence was then carried ... Chemical Synthesis and Immunosuppressive Activity of Dipalmitoyl Phosphatidylinositol Hexamannoside [作者：AINGE GARY D; COMPTON BENJAMIN J; HAYMAN COLIN M; MARTIN WILLIAM JOHN; TOMS STEVEN M; LARSEN DAVID S; HARPER JACQUIE L; PAINTER GAVIN F,期刊：Journal of Organic Chemistry, 页码：4941-4951 , 文章类型： Article，,卷期：2011年76-12] Phosphatidylinositol mannosides (PIMs) isolated from mycobacteria have been identified as an important class of phosphoglycolipids with significant immune-modulating properties. We present here the synthesis of dipalmito... SmI2-Mediated Radical Cross-Couplings of alpha-Hydroxylated Aza-hemiacetals and N,S-Acetals with alpha,beta-Unsaturated Compounds: Asymmetric Synthesis of (+)-Hyacinthacine A(2), (-)-Uniflorine A, and (+)-7-epi-Casuarine [作者：LIU XUEKUI; QIU SHI; XIANG YONGGANG; RUAN YUANPING; ZHENG XIAO; HUANG PEIQANG,期刊：Journal of Organic Chemistry, 页码：4952-4963 , 文章类型： Article，,卷期：2011年76-12] The SmI2-mediated radical coupling reactions of beta-hydroxylated pyrrolidine/piperidine aza-hemiacetals 8 and 9 and N,S-acetals 6 and 33 with alpha/beta-unsaturated compounds are described. This method allows a rapid ac... Generation of Profluorescent Isoindoline Nitroxides Using Click Chemistry [作者：MORRIS JASON C; MCMURTRIE JOHN C; BOTTLE STEVEN E; FAIRFULLSMITH KATHRYN E,期刊：Journal of Organic Chemistry, 页码：4964-4972 , 文章类型： Article，,卷期：2011年76-12] Novel profluorescent nitroxides bearing a triazole linker between the coumarin fluorophore and an isoindoline nitroxide were prepared in good yields using the copper-catalyzed azide-alkyne 1,3-dipolar cycloaddition react... Quantifying Asymmetry in Concerted Reactions: Solvents Effect on a Diels-Alder Cycloaddition [作者：TUVIARAD INBAL; AVNIR DAVID,期刊：Journal of Organic Chemistry, 页码：4973-4979 , 文章类型： Article，,卷期：2011年76-12] We propose the notion that if asymmetry characterizes a concerted reaction, a quantitative treatment in terms of continuous symmetry can bridge the gap between the Woodward-Hoffmann (WH) rules, originally formulated for ...