个性化文献订阅>文章检索

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61条记录   H-1 and C-13 NMR Assignments for the Cyanine Dyes SYBR Safe and Thiazole Orange [作者：EVENSON WILLIAM E; BODEN LAUREN M; MUZIKAR KATY A; OLEARY DANIEL J,期刊：Journal of Organic Chemistry, 页码：10967-10971 , 文章类型： Article，,卷期：2012年77-23] Analysis of H-1 and C-13 NMR and mass spectral data for the fluorescent nucleic acid stain SYBR Safe indicates that it contains a cyanine-based cationic core structure identical to thiazole orange. The difference between... N-Silyloxaziridines: Synthesis and Use for Electrophilic Amination [作者：RICHY NICOLAS; GHORAF MOHAMMED; VIDAL JOELLE,期刊：Journal of Organic Chemistry, 页码：10972-10977 , 文章类型： Article，,卷期：2012年77-23] N-Silyloxaziridines were synthesized for the first time. Their tert-butyldiphenylsilyl (TBDPS) derivatives were stable reagents that were prepared on a multigram scale in three steps and in 44% overall yield from the cor... 1,2-Dibromotetrachloroethane: An Ozone-Friendly Reagent for the in Situ Ramberg-Backlund Rearrangement and Its Use in the Formal Synthesis of E-Resveratrol [作者：SOEDERMAN STEFAN C; SCHWAN ADRIAN L,期刊：Journal of Organic Chemistry, 页码：10978-10984 , 文章类型： Article，,卷期：2012年77-23] Dibromotetrachloroethane (C2Br2Cl4) is demonstrated as a halogenating reagent for the one-pot conversion of sulfones to alkenes by way of the Ramberg Backlund rearrangement. Dibromotetrachloroethane successfully replaces... Stereospecific Transformation of Protected P-H Group into P-O or P-N Group in One-Pot Reaction [作者：YAO QIULI; YUAN CHENGYE,期刊：Journal of Organic Chemistry, 页码：10985-10990 , 文章类型： Article，,卷期：2012年77-23] A general and efficient procedure for converting 1,1-diethoxyalkylphosphinates into phosphonates or phosphonamides is described by the application of bromine with moderate to high yields and good purity in a one-pot reac... Synthesis of Diarylmethanes via Metal-Free Reductive Cross-Coupling of Diarylborinic Acids with Tosyl Hydrazones [作者：LI XIJING; FENG YUANYUAN; LIN LIN; ZOU GANG,期刊：Journal of Organic Chemistry, 页码：10991-10995 , 文章类型： Article，,卷期：2012年77-23] This paper describes a practical and efficient procedure that takes advantage of diarylborinic acids as a cost-effective alternative to arylboronic acids for synthesis of diarylmethanes through metal-free reductive cross... Diastereoselective and Enantioselective Desymmetrization of alpha-Substituted Cyclohexadienones via Intramolecular Stetter Reaction [作者：JIA MINQIANG; LIU CHUAN; YOU SHULI,期刊：Journal of Organic Chemistry, 页码：10996-11001 , 文章类型： Article，,卷期：2012年77-23] Highly diastereoselective and enantioselective desymmetrization of alpha-substituted cyclohexadienones via NHC-catalyzed intramolecular Stetter reaction was realized. Amino-indanol derived triazolium salt bearing a C6F5 ... Synthesis of the 1-Monoester of 2-Ketoalkanedioic Acids, for Example, Octyl alpha-Ketoglutarate [作者：JUNG MICHAEL E; DENG GANG,期刊：Journal of Organic Chemistry, 页码：11002-11005 , 文章类型： Article，,卷期：2012年77-23] Oxidative cleavage of cycloalkene-1-carboxylates, made from the corresponding carboxylic acids, and subsequent oxidation of the resulting ketoaldehyde afforded the important 1-monoesters of 2-ketoalkanedioic acids. Thus ... Bending Benzene: Syntheses of [n]Cycloparaphenylenes [作者：HIRST ELIZABETH S; JASTI RAMESH,期刊：Journal of Organic Chemistry, 页码：10473-10478 , 文章类型： Article，,卷期：2012年77-23] Since the first successful synthesis in 2008, methods to prepare the [n]cycloparaphenylenes have evolved rapidly. The aim of this synopsis is to provide an overview of recent advancements in this emerging field. The opto... Reactions of the Cumyloxyl and Benzyloxyl Radicals with Strong Hydrogen Bond Acceptors. Large Enhancements in Hydrogen Abstraction Reactivity Determined by Substrate/Radical Hydrogen Bonding [作者：SALAMONE MICHELA; DILABIO GINO A; BIETTI MASSIMO,期刊：Journal of Organic Chemistry, 页码：10479-10487 , 文章类型： Article，,卷期：2012年77-23] A kinetic study on hydrogen abstraction from strong hydrogen bond acceptors such as DMSO, HMPA, and tributylphosphine oxide (TBPO) by the cumyloxyl (CumO(center dot)) and benzyloxyl (BnO center dot) radicals was carried ... Palladium-catalyzed Kumada Coupling Reaction of Bromoporphyrins with Silylmethyl Grignard Reagents: Preparation of Silylmethyl-substituted Porphyrins as a Multipurpose Synthon for Fabrication of Porphyrin Systems [作者：SUGITA NORIAKI; HAYASHI SATOSHI; HINO FUMIO; TAKANAMI TOSHIKATSU,期刊：Journal of Organic Chemistry, 页码：10488-10497 , 文章类型： Article，,卷期：2012年77-23] We have developed an efficient method for preparing silylmethyl-substituted porphyrins via the palladium-catalyzed Kumada cross-coupling reaction of bromoporphyrins with silylmethyl Grignard reagents. We demonstrated the... C-8-Heteroaryl-2 '-deoxyguanosine Adducts as Conformational Fluorescent Probes in the NarI Recognition Sequence [作者：RANKIN KATHERINE M; SPROVIERO MICHAEL; RANKIN KEEGAN; SHARMA PURSHOTAM; WETMORE STACEY D; MANDERVILLE RICHARD A,期刊：Journal of Organic Chemistry, 页码：10498-10508 , 文章类型： Article，,卷期：2012年77-23] The optical, redox, and electronic properties of C-8-heteroaryl-2'-deoxyguanosine (dG) adducts with C-8-substituents consisting of furyl ((Fur)dG), pyrrolyl ((Pyr)dG), thienyl ((Th)dG), benzofuryl ((Bfur)dG), indolyl ((I... Total Synthesis of (-)-Isatisine A [作者：PATEL PITAMBAR; RAMANA C V,期刊：Journal of Organic Chemistry, 页码：10509-10515 , 文章类型： Article，,卷期：2012年77-23] A modular total synthesis of (-)-isatisine A is described in which four consecutive metal-mediated transformations have been employed at the final stage. These include [Pd]-catalyzed Sonogashira coupling, [Pd]-catalyzed ... Refined Transition-State Models for Proline-Catalyzed Asymmetric Michael Reactions under Basic and Base-Free Conditions [作者：SHARMA AKHILESH K; SUNOJ RAGHAVAN B,期刊：Journal of Organic Chemistry, 页码：10516-10524 , 文章类型： Article，,卷期：2012年77-23] The stereocontrolling transition state (TS) models for C-C bond formation relying on hydrogen bonding have generally been successful in proline-catalyzed aldol, Mannich, alpha-amination, and alpha-aminoxylation reactions... Mechanistic Insights on Organocatalytic Enantioselective Decarboxylative Protonation by Epicinchona-Thiourea Hybrid Derivatives [作者：SENGUPTA ARKAJYOTI; SUNOJ RAGHAVAN B,期刊：Journal of Organic Chemistry, 页码：10525-10536 , 文章类型： Article，,卷期：2012年77-23] Mechanism and the origin of enantioselectivity in the decarboxylative protonation of alpha-amino malonate hemiester promoted by epicinchona-thiourea hybrid organocatalyst is established by using the DFT(M06-2X/6-311+G**/... Revision of Singlet Quantum Yields in the Catalyzed Decomposition of Cyclic Peroxides [作者：DE OLIVEIRA MARCELO ALMEIDA; BARTOLONI FERNANDO HEERING; AUGUSTO FELIPE ALBERTO; MONTEIRO LEITE CISCATO LUIZ FRANCISCO; BASTOS ERICK LEITE; BAADER WILHELM JOSEF,期刊：Journal of Organic Chemistry, 页码：10537-10544 , 文章类型： Article，,卷期：2012年77-23] The chemiluminescence of cyclic peroxides activated by oxidizable fluorescent dyes is an example of chemically initiated electron exchange luminescence (CIEEL), which has been used also to explain the efficient biolumine... NMR Spectroscopic Characterization and DFT Calculations of Zirconium(IV)-3,3 '-Br-2-BINOLate and Related Complexes Used in an Enantioselective Friedel-Crafts Alkylation of Indoles with alpha,beta-Unsaturated Ketones [作者：BLAY GONZALO; CANO JOAN; CARDONA LUZ; FERNANDEZ ISABEL; CARMEN MUNOZ M; PEDRO JOSE R; VILA CARLOS,期刊：Journal of Organic Chemistry, 页码：10545-10556 , 文章类型： Article，,卷期：2012年77-23] Experimental and theoretical studies on the structure of several complexes based on (R)-3,3'-Br-2-BINOL ligand and group (IV) metals used as catalysts in an enantioselective Friedel-Crafts alkylation of indoles with alph...