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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66条记录   Formal Nucleophilic Substitution of Bromocyclopropanes with Amides en route to Conformationally Constrained beta-Amino Acid Derivatives [作者：PROSSER ANTHONY R; BANNING JOSEPH E; RUBINA MARINA; RUBIN MICHAEL,期刊：Organic Letters, 页码：3968-3971 , 文章类型： Article，,卷期：2010年12-18] A chemo- and diastereoselective protocol for the formal nucleophilic substitution of 2-bromocyclopropylcarboxamides with secondary amides is described. This method allows for convergent and highly selective synthesis of ... Radical Addition of Arylboronic Acids to Various Olefins under Oxidative Conditions [作者：DICKSCHAT ARNE; STUDER ARMIDO,期刊：Organic Letters, 页码：3972-3974 , 文章类型： Article，,卷期：2010年12-18] Arylboronic acids are shown to be valuable precursors for aryl radicals upon treatment with manganese triacetate. Under these oxidative conditions the intermediately generated aryl radicals undergo addition to olefins to... Multicatalytic One-Pot Reaction of 1-(2-Alkynylphenyl)ketoximes for Generation of Indole Derivatives [作者：QIU GUANYINSHENG; DING QIUPING; REN HUI; PENG YIYUAN; WU JIE,期刊：Organic Letters, 页码：3975-3977 , 文章类型： Article，,卷期：2010年12-18] Multicatalytic one-pot Beckmann rearrangement/intramolecular cyclization/halogenation reaction of 1-(2-alkynylphenyl)ketoxime is reported, leading to the expected indole derivatives in good yield. Directed Ortho Borylation of Phenol Derivatives Catalyzed by a Silica-Supported Iridium Complex [作者：YAMAZAKI KENJI; KAWAMORITA SOICHIRO; OHMIYA HIROHISA; SAWAMURA MASAYA,期刊：Organic Letters, 页码：3978-3981 , 文章类型： Article，,卷期：2010年12-18] The directed ortho borylation of phenol derivatives protected with an N,N-diethylcarbamoyl group was efficiently catalyzed by an immobilized monophosphine-Ir system, which was prepared in situ from [Ir(OMe)(cod)](2) and ... Assembly/Disassembly of Drug Conjugates Using Imide Ligation [作者：MHIDIA REDA; BEZIERE NICOLAS; BLANPAIN ANNICK; POMMERY NICOLE; MELNYK OLEG,期刊：Organic Letters, 页码：3982-3985 , 文章类型： Article，,卷期：2010年12-18] A strategy is described that allows the easy assembly and controlled disassembly of drug conjugates. Imide ligation, that is, the reaction of a peptide thioacid with an azidoformate, is used for conjugate assembly. The i... Highly alpha-Selective Hydrolysis of alpha,beta-Epoxyalcohols using Tetrabutylammonium Fluoride [作者：MUKERJEE PURBA; ABID MOHAMMED; SCHROEDER FRANK C,期刊：Organic Letters, 页码：3986-3989 , 文章类型： Article，,卷期：2010年12-18] We report a simple method for the highly regio- and stereoselective hydrolysis of alpha,beta-epoxyalcohols. Treatment of enantiopure epoxyalcohols derived from Sharpless epoxidation with TBAF/H2O resulted in exclusive ri... Room-Temperature Alternative to the Arbuzov Reaction: The Reductive Deoxygenation of Acyl Phosphonates [作者：KEDROWSKI SEAN M A; DOUGHERTY DENNIS A,期刊：Organic Letters, 页码：3990-3993 , 文章类型： Article，,卷期：2010年12-18] The reductive deoxygenation of acyl phosphonates using a Wolff-Kishner-like sequence is described. This transformation allows direct access to alkyl phosphonates from acyl phosphonates at room temperature. The method can... Asymmetric Synthesis of Functionalized, Monocyclic Chlorocyclobutenes [作者：DARSES BENJAMIN; GREENE ANDREW E; POISSON JEANFRANCOIS,期刊：Organic Letters, 页码：3994-3997 , 文章类型： Article，,卷期：2010年12-18] The selective synthesis of a variety of stereopure monocyclic chlorocyclobutenes Is described. These derivatives could be coupled with Grignard reagents; two dienes from coupling with vinylmagnesium bromide reacted smoot... A Concise Silylamine Approach to 2-Amino-3-hydroxy-indoles with Potent in vivo Antimalaria Activity [作者：URGAONKAR SAMEER; CORTESE JOSEPH F; BARKER ROBERT H; CROMWELL MANDY; SERRANO ADELFA E; WIRTH DYANN F; CLARDY JON; MAZITSCHEK RALPH,期刊：Organic Letters, 页码：3998-4001 , 文章类型： Article，,卷期：2010年12-18] The development of a concise strategy to access 2-amino-3-hydroxy-indoles, which are disclosed as novel antimalarials with potent in vivo activity, is reported. Starting from isatins the target compounds are synthesized ... Minimalist End Groups for Control of Absolute Helicity in Salen- and Salophen-Based Metallofoldamers [作者：DONG ZHENZHEN; PLAMPIN JAMES N III; YAP GLENN P A; FOX JOSEPH M,期刊：Organic Letters, 页码：4002-4005 , 文章类型： Article，,卷期：2010年12-18] (S)-1-Methylindan end groups are effective controllers of absolute helicity in Ni-salen- and Ni-salophen-based foldamers derived from (R,R)-trans-1,2-cyclohexanediamine and 1,2-phenylenediamine, respectively. Evidence fo... Regioselective Synthesis of 1-Bromo-1,4-dienes by Free-Radical-Mediated Bromoallylation of Activated Acetylenes [作者：KIPPO TAKASHI; FUKUYAMA TAKAHIDE; RYU ILHYONG,期刊：Organic Letters, 页码：4006-4009 , 文章类型： Article，,卷期：2010年12-18] The free-radical-mediated bromoallylation of acetylenes proceeded efficiently in the presence of V-65 (2,2-azobis(2,4-dimethylvaleronitrile)) as the radical initiator. The regioselective reaction, which yields 1-bromo-2-... Synthesis and Fluorescence Properties of a Pyridomethene-BF2 Complex [作者：KUBOTA YASUHIRO; TSUZUKI TOSHIHIRO; FUNABIKI KAZUMASA; EBIHARA MASAHIRO; MATSUI MASAKI,期刊：Organic Letters, 页码：4010-4013 , 文章类型： Article，,卷期：2010年12-18] A fluorescent dye, the pyridomethene-BF2 complex, has been synthesized. Although pyridomethenes did not exhibit fluorescence, pyridomethene-BF2 complexes exhibited fluorescence both in solution and in the solid state. Th... Sensing of Bacterial Endotoxin in Aqueous Solution by Supramolecular Assembly of Pyrene Derivative [作者：ZENG LINTAO; WU JIASHENG; DAI QING; LIU WEIMIN; WANG PENGFEI; LEE CHUNSING,期刊：Organic Letters, 页码：4014-4017 , 文章类型： Article，,卷期：2010年12-18] N,N-Dimethyl-N-(pyrenyl-1-methyl) dodecan-1-ammonium has been designed and applied as a fluorescent probe for sensing bacterial endotoxin. Upon assembly with bacterial endotoxin (lipopolysaccharide) in aqueous solution, ... Highly Ordered Assembly of pi-Stacked Distyrylbenzenes by Oligoadenines [作者：YANG WANGGUI; XIA PING FANG; WONG MAN SHING,期刊：Organic Letters, 页码：4018-4021 , 文章类型： Article，,卷期：2010年12-18] A well-defined nanofibrous structure with lengths of several hundred nanometers and cross-sectional width of a single size (similar to 6 +/- 0.5 nm) was self-assembled by oligoadenines, dA(20), and thymine-appended disty... Nickel-Catalyzed C-O Activation of Phenol Derivatives with Potassium Heteroaryltrifluoroborates [作者：MOLANDER GARY A; BEAUMARD FLORIANE,期刊：Organic Letters, 页码：4022-4025 , 文章类型： Article，,卷期：2010年12-18] A general method based on nickel-catalyzed C-O activation of various phenol derivatives with potassium (hetero)aryltrifluoroborates has been developed. A large number of heterobiaryls can be easily obtained with yields u... An Efficient Synthesis of Hydantoins via Sustainable Integration of Coupled Domino Processes [作者：GAO MENG; YANG YAN; WU YANDONG; DENG CONG; SHU WENMING; ZHANG DONGXUE; CAO LIPING; SHE NENGFANG; WU ANXIN,期刊：Organic Letters, 页码：4026-4029 , 文章类型： Article，,卷期：2010年12-18] A highly efficient synthesis of hydantoins has been developed from simple and commercially available 1,3-dicarbonyl compounds, ureas, and methyl ketones or terminal aryl alkenes. This protocol involves a sustainable inte...