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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75条记录   Synthesis and Properties of Heterocyclic Acene Diimides [作者：LI CHENG; XIAO CHENGYI; LI YAN; WANG ZHAOHUI,期刊：Organic Letters, 页码：682-685 , 文章类型： Article，,卷期：2013年15-3] A series of heterocyclic acene diimides were synthesized effectively based on the condensation of o-phenylenediamine, 1,2-benzenedithiol, and 2-aminothiophenol with 2,3,6,7-tetrabromo-1,4,5,8-naphthalene tetracarboxylic ... Remote Anionic Fries Rearrangement of Sulfonates: Regioselective Synthesis of Indole Triflones [作者：XU XIUHUA; TANIGUCHI MISAKI; AZUMA AYAKA; LIU GUO KAI; TOKUNAGA ETSUKO; SHIBATA NORIO,期刊：Organic Letters, 页码：686-689 , 文章类型： Article，,卷期：2013年15-3] An unusual NaH-mediated remote anionic 1,5-thia-Fries rearrangement reaction was developed. This method provides an efficient approach for the regioselective synthesis of not only 2-(2-hydroxyphenyl)-3-indole triflones b... Direct Lactonization of 2-Arylacetic Acids through Pd(II)-Catalyzed C-H Activation/C-O Formation [作者：YANG MINGYU; JIANG XINGYU; SHI WENJUAN; ZHU QILEI; SHI ZHANGJIE,期刊：Organic Letters, 页码：690-693 , 文章类型： Article，,卷期：2013年15-3] Palladium-catalyzed direct lactonization of 2-arylacetic acids through a reaction sequence that includes C-H activation/C-O formation is reported. This method provides a concise and efficient pathway to synthesize fully ... Tris(azidoethyl)amine Hydrochloride; a Versatile Reagent for Synthesis of Functionalized Dumbbell Oligodeoxynucleotides [作者：ICHIKAWA SATOSHI; UENO HIDEAKI; SUNADOME TAKUYA; SATO KOUSUKE; MATSUDA AKIRA,期刊：Organic Letters, 页码：694-697 , 文章类型： Article，,卷期：2013年15-3] Triazole-cross-linked oligodeoxynucleotides were synthesized using the Cu(I) catalyzed allryne-azide cycloaddition with tris(azidoethyl)amine hydrochloride and oligodeoxynucleotides possessing N-3-(propargyl)thymidine at... Direct Catalytic Asymmetric Alkynylation of Ketoimines [作者：YIN LIANG; OTSUKA YASUNARI; TAKADA HISASHI; MOURI SHINSUKE; YAZAKI RYO; KUMAGAI NAOYA; SHIBASAKI MASAKATSU,期刊：Organic Letters, 页码：698-701 , 文章类型： Article，,卷期：2013年15-3] An efficient protocol for direct catalytic alkynylation of ketoimines is described. The simultaneous activation of a soft Lewis basic terminal alkyne and a ketoimine bearing a thiophosphinoyl group by soft Lewis acid Cu(... Iodide as an Activating Agent for Acid Chlorides in Acylation Reactions [作者：WAKEHAM RUSSELL J; TAYLOR JAMES E; BULL STEVEN D; MORRIS JAMES A; WILLIAMS JONATHAN M J,期刊：Organic Letters, 页码：702-705 , 文章类型： Article，,卷期：2013年15-3] Acid chlorides can be activated using a simple iodide source to undergo nucleophilic attack from a variety of relatively weak nucleophiles. These Include Friedel-Crafts acylation of N-methylpyrroles, N-acylation of sulfo... Enantioselective Total Synthesis of (+)-Reserpine [作者：RAJAPAKSA NAOMI S; MCGOWAN MEREDETH A; RIENZO MATTHEW; JACOBSEN ERIC N,期刊：Organic Letters, 页码：706-709 , 文章类型： Article，,卷期：2013年15-3] A catalytic, enantioselective synthesis of (+)-reserpine Is reported. The route features a highly diastereoselective, chiral catalyst-controlled formal aza-Diels-Alder reaction between a 6-methoxytryptamine-derived dihyd... Hydrogen-Free Alkene Reduction in Continuous Flow [作者：KLEINKE ANDREW S; JAMISON TIMOTHY F,期刊：Organic Letters, 页码：710-713 , 文章类型： Article，,卷期：2013年15-3] The first continuous hydrogenation that requires neither H-2 nor metal catalysis generates diimide by a novel reagent combination. The simple flow reactor employed minimizes residence time by enabling safe operation at e... Iron-Catalyzed Allylic Arylation of Olefins via C(sp(3))-H Activation under Mild Conditions [作者：SEKINE MASAKI; ILIES LAUREAN; NAKAMURA EIICHI,期刊：Organic Letters, 页码：714-717 , 文章类型： Article，,卷期：2013年15-3] An aryl Grignard reagent in the presence of mesityl iodide converts an allyllc C-H bond of a cycloalkene or an allylbenzene derivative into a C-C bond in the presence of a catalytic amount of Fe(acac)(3) and a diphosphin... Ruthenium-Catalyzed C-H Oxygenation on Aryl Weinreb Amides [作者：YANG FANZHI; ACKERMANN LUTZ,期刊：Organic Letters, 页码：718-720 , 文章类型： Article，,卷期：2013年15-3] Versatile ruthenium catalysts enabled unprecedented C-H bond oxygenations of aryl Weinreb amides with ample scope under exceedingly mild reaction conditions, thereby also giving access to valuable ortho-hydroxylated alde... FeCl3 Catalyzed Prins-Type Cyclization for the Synthesis of Highly Substituted Indenes: Application to the Total Synthesis of (+/-)-Jungianol and epi-Jungianol [作者：DETHE DATTATRAYA H; MURHADE GANESH,期刊：Organic Letters, 页码：429-431 , 文章类型： Article，,卷期：2013年15-3] A novel approach was developed for the synthesis of highly substituted indene derivatives, using an FeCl3 catalyzed Prins-type cyclization reaction which was further applied in the total synthesis of jungianol and epi-ju... Macrocyclic Glycohybrid Toolbox Identifies Novel Antiangiogenesis Agents from Zebrafish Assay [作者：DASARI BHANUDAS; JOGULA SRINIVAS; BORHADE RAMDAS; BALASUBRAMANIAN SRIDHAR; CHANDRASEKAR GAYATHRI; KITAMBI SATISH SRINIVAS; ARYA PRABHAT,期刊：Organic Letters, 页码：432-435 , 文章类型： Article，,卷期：2013年15-3] A practical and modular approach to obtain a diverse set of 14-membered macrocyclic compounds from carbohydrates is developed that utilizes functional groups at C-1 and C-5. The evaluation of this toolbox in various zebr... 14-Membered Macrocyclic Ring-Derived Toolbox: The Identification of Small Molecule Inhibitors of Angiogenesis and Early Embryo Development in Zebrafish Assay [作者：AELURI MADHU; PRAMANIK CHINMOY; CHETIA LAKSHINDRA; MALLURWAR NAVEEN KUMAR; BALASUBRAMANIAN SRIDHAR; CHANDRASEKAR GAYATHRI; KITAMBI SATISH SRINIVAS; ARYA PRABHAT,期刊：Organic Letters, 页码：436-439 , 文章类型： Article，,卷期：2013年15-3] A highly practical and modular synthesis to obtain a diverse 14-membered ring-based macrocyclic toolbox is achieved. These compounds were further tested in zebrafish assays related to early embryonic development, angioge... Exploring the Unique Reactivity of Diazoesters: An Efficient Approach to Chiral beta-Amino Acids [作者：TROST BARRY M; MALHOTRA SUSHANT; ELLERBROCK PASCAL,期刊：Organic Letters, 页码：440-443 , 文章类型： Article，,卷期：2013年15-3] The development of a highly stereospecific process for the C-O to C-N exchange with retention of configuration is described. This transformation enables access to optically enriched beta-amido-alpha-diazoesters. These pr... Synthesis of Isoquinuclidines from Highly Substituted Dihydropyridines via the Diels-Alder Reaction [作者：MARTIN RHIA M; BERGMAN ROBERT G; ELLMAN JONATHAN A,期刊：Organic Letters, 页码：444-447 , 文章类型： Article，,卷期：2013年15-3] A stereo- and regioselective Diels-Alder reaction for the synthesis of highly substituted isoquinuclidines from dihydropyridines and electron-deficient alkenes has been developed. While reactions with activated dienophil... An Access to Aza-Freidinger Lactams and E-Locked Analogs [作者：OTTERSBACH PHILIPP A; SCHMITZ JANINA; SCHNAKENBURG GREGOR; GUETSCHOW MICHAEL,期刊：Organic Letters, 页码：448-451 , 文章类型： Article，,卷期：2013年15-3] Freidinger lactams, possessing a peptide bond configuration locked to 4 are important key elements of conformationally restricted peptidomimetics. In the present work, the C alpha Hi+1 unit has been replaced by N, leadin...