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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68条记录   An Unexpected Silver Triflate Catalyzed Reaction of 2-Alkynylbenzaldehyde with 2-Isocyanoacetate [作者：ZHENG DANQING; LI SHAOYU; WU JIE,期刊：Organic Letters, 页码：2655-2657 , 文章类型： Article，,卷期：2012年14-11] An unexpected silver triflate catalyzed reaction of 2-alkynylbenzaldehyde with 2-isocyanoacetate provides an efficient route for the generation of isoquinolines. The reaction proceeds smoothly in air under mild condition... Application of Microflow Conditions to Visible Light Photoredox Catalysis [作者：NEUMANN MATTHIAS; ZEITLER KIRSTEN,期刊：Organic Letters, 页码：2658-2661 , 文章类型： Article，,卷期：2012年14-11] Applications of microflow conditions for visible light photoredox catalysis have successfully been developed. Operationally simple microreactor and FEP (fluorinated ethylene propylene copolymer) tube reactor systems enab... Improved Synthesis of C4 alpha- and C4 beta-Methyl Analogues of 2-Aminobicyclo[3.1.0]hexane-2,6-dicarboxylate [作者：HENRY STEVEN S; BRADY MOLLY D; LAIRD DANA L T; RUBLE J CRAIG; VARIE DAVID L; MONN JAMES A,期刊：Organic Letters, 页码：2662-2665 , 文章类型： Article，,卷期：2012年14-11] An efficient and divergent synthesis of C4 alpha- and C4 beta-methyl-substituted analogues of 2-aminobicyclo[3.1.0]hexane 2,6-dicarboxylate, which are important tools in the study of metabotropic glutamate receptor funct... Identification of Caerulomycin A Gene Cluster Implicates a Tailoring Amidohydrolase [作者：ZHU YIGUANG; FU PENG; LIN QINHENG; ZHANG GUANGTAO; ZHANG HAIBO; LI SUMEI; JU JIANHUA; ZHU WEIMING; ZHANG CHANGSHENG,期刊：Organic Letters, 页码：2666-2669 , 文章类型： Article，,卷期：2012年14-11] The biosynthetic gene cluster for caerulomycin A (1) was cloned and characterized from the marine actinomycete Actinoalloteichus cyanogriseus WH1-2216-6, which revealed an unusual hybrid polyketide synthase (PKS)/nonribo... Bright, Color-Tunable Fluorescent Dyes Based on pi-Expanded Diketopyrrolopyrroles [作者：GRZYBOWSKI MAREK; GLODKOWSKAMROWKA ELIZA; STOKLOSA TOMASZ; GRYKO DANIEL T,期刊：Organic Letters, 页码：2670-2673 , 文章类型： Article，,卷期：2012年14-11] A synthetic approach to the structurally diverse family of pi-expanded diketopyrrolopyrroles is described. A three-step strategy appears to be very general and starts with the preparation of diketopyrrolopyrroles followe... Carbon-Carbon Bond Formation via the Electrophilic Addition of Carbocations to Allenes [作者：MENG BO; MA SHENGMING,期刊：Organic Letters, 页码：2674-2677 , 文章类型： Article，,卷期：2012年14-11] A novel electrophilic addition of aryl-substituted allenes and carbocations forming a carbon-carbon bond is described. Stereodeflned allylic halides and Indenes were furnished with excellent reglo- and stereoselectivity ... The Vinylogous Aldol Reaction of Unsaturated Esters and Enolizable Aldehydes Using the Novel Lewis Acid Aluminum Tris(2,6-di-2-naphthylphenoxide) [作者：GAZAILLE JEFFREY A; SAMMAKIA TAREK,期刊：Organic Letters, 页码：2678-2681 , 文章类型： Article，,卷期：2012年14-11] The synthesis of the novel Lewis acid, aluminum tris(2,6-di-2-naphthylphenoxide) (ATNP), and its use in the vinylogous aldol reaction between methyl crotonate and enolizable aldehydes are described. ATNP is related to Ya... A Formal Synthesis of (-)-Englerin A by Relay Ring Closing Metathesis and Transannular Etherification [作者：LEE JUNGYONG; PARKER KATHLYN A,期刊：Organic Letters, 页码：2682-2685 , 文章类型： Article，,卷期：2012年14-11] A bicyclization approach to englerin A has culminated in a formal asymmetric total synthesis. Key transformations in the 10-step sequence are a regiospecific epoxide opening and a relay ene-yne-ene metathesis that conver... A Fluorescent Dipyrrinone Oxime for the Detection of Pesticides and Other Organophosphates [作者：WALTON IAN; DAVIS MARAUO; MUNRO LYNDSAY; CATALANO VINCENT J; CRAGG PETER J; HUGGINS MICHAEL T; WALLACE KARL J,期刊：Organic Letters, 页码：2686-2689 , 文章类型： Article，,卷期：2012年14-11] An N,N-carbonyl-bridged dipyrrinone oxime has been synthesized and studied as a potential sensor for organophosphates. The molecular sensor underwent a drastic colorimetric response upon formation of the adduct. The pest... [3+2]-Dipolar Cycloaddition Reactions of an N-Heterocyclic Carbene Boryl Azide [作者：MERLING EVERETT; LAMM VLADIMIR; GEIB STEVEN J; LACOTE EMMANUEL; CURRAN DENNIS P,期刊：Organic Letters, 页码：2690-2693 , 文章类型： Article，,卷期：2012年14-11] Thermal 1,3-dipolar cycloaddition reactions of 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene dihydridoboron azide occur smoothly with alkynes, nitriles, and alkenes bearing electron-withdrawing groups. New, stable NHC... Rational Synthesis of A(2)B-type meso-Triarylsubporphyrins [作者：TANAKA TAKAYUKI; KITANO MASAAKI; HAYASHI SHINYA; ARATANI NAOKI; OSUKA ATSUHIRO,期刊：Organic Letters, 页码：2694-2697 , 文章类型： Article，,卷期：2012年14-11] Rational synthesis of A(2)B-type meso-arylsubporphyrins has been accomplished by the condensation of triethylamine-tri-N-tripyrromethene-borane with acid chlorides. These subporphyrins are useful for evaluations of the i... Zinc(II) Mediated Imine-Enamine Tautomerization [作者：BASA PREM N; BHOWMICK ARUNDHATI; HORN LASHAWN MEDICINE; SYKES ANDREW G,期刊：Organic Letters, 页码：2698-2701 , 文章类型： Article，,卷期：2012年14-11] Reduction of imine anthracenone compounds selectively produces secondary alcohols leaving the external imine group unreacted. Addition of the Zn(II) ion induces a metal-mediated imine-enamine tautomerization reaction tha... Synthesis of Nitrogen-Bridged Terthiophenes by Tandem Buchwald-Hartwig Coupling and Their Properties [作者：MITSUDO KOICHI; SHIMOHARA SHUICHI; MIZOGUCHI JUN; MANDAI HIROKI; SUGA SEIJI,期刊：Organic Letters, 页码：2702-2705 , 文章类型： Article，,卷期：2012年14-11] The first synthesis of nitrogen-bridged terthiophenes (NBTTs) has been achieved by a tandem Buchwald-Hartwig coupling of 3,3',3 '', 4'-tetrabromo-2,2':5',2 ''-terthiophene. Several NBTT derivatives bearing aryl or alkyl ... Reactions of Brominated Naphthalene Diimide with Bis(tributylstannyl)acetylene: A Simple Approach for Conjugated Polymers and Versatile Coupling Intermediates [作者：ALVEY PAUL M; IVERSON BRENT L,期刊：Organic Letters, 页码：2706-2709 , 文章类型： Article，,卷期：2012年14-11] A new synthetic approach to 1,4,5,8-naphthalenetetracarboxylic diimide (NDI) containing materials and conjugates Is described. A simple one-step Stille coupling procedure is used to create either novel alkyne-linked NDI ... K2CO3-Catalyzed Synthesis of Chromones and 4-Quinolones through the Cleavage of Aromatic C-O Bonds [作者：ZHAO JIE; ZHAO YUFEN; FU HUA,期刊：Organic Letters, 页码：2710-2713 , 文章类型： Article，,卷期：2012年14-11] Phenol-derived electrophiles are favorable substrates because phenols are naturally abundant or can be readily prepared from other aromatic compounds. However, the cleavage of aromatic C-O bonds Is a great challenge beca... Total Synthesis of (-)-Galanthamine and (-)-Lycoramine via Catalytic Asymmetric Hydrogenation and Intramolecular Reductive Heck Cyclization [作者：CHEN JIQIANG; XIE JIANHUA; BAO DENGHUI; LIU SHENG; ZHOU QILIN,期刊：Organic Letters, 页码：2714-2717 , 文章类型： Article，,卷期：2012年14-11] A synthetic strategy featuring efficient ruthenium-catalyzed asymmetric hydrogenation of racemic alpha-aryloxy cyclic ketone via dynamic kinetic resolution and palladium-catalyzed intramolecular reductive Heck cyclizatio...