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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56条记录   Ring Expansion of Cyclic beta-Amino Alcohols Induced by Diethylaminosulfur Trifluoride: Synthesis of Cyclic Amines with a Tertiary Fluorine at C3 [作者：ANXIONNAT BRUNO; ROBERT BENOIT; GEORGE PASCAL; RICCI GINO; PERRIN MARCANTOINE; PARDO DOMINGO GOMEZ; COSSY JANINE,期刊：Journal of Organic Chemistry, 页码：6087-6099 , 文章类型： Article，,卷期：2012年77-14] As the replacement of a hydrogen atom by a fluorine atom in a compound can have an important impact on its biological properties, the development of methods allowing the introduction of a fluorine atom is of great import... Synthesis of Alkenyl Sulfides Through the Iron-Catalyzed Cross-Coupling Reaction of Vinyl Halides with Thiols [作者：LIN YUNYUNG; WANG YUJEN; LIN CHEHUNG; CHENG JUNHAO; LEE CHINFA,期刊：Journal of Organic Chemistry, 页码：6100-6106 , 文章类型： Article，,卷期：2012年77-14] We report here the iron-catalyzed cross-coupling reaction of alkyl vinyl halides with thiols. While many works are devoted to the coupling of thiols with alkyl vinyl iodides, interestingly, the known S-vinylation of viny... 1,3,6,8-Tetraazapyrenes: Synthesis, Solid-State Structures, and Properties as Redox-Active Materials [作者：GEIB SONJA; MARTENS SUSANNE C; ZSCHIESCHANG UTE; LOMBECK FLORIAN; WADEPOHL HUBERT; KLAUK HAGEN; GADE LUTZ H,期刊：Journal of Organic Chemistry, 页码：6107-6116 , 文章类型： Article，,卷期：2012年77-14] A series of new tetraazapyrene (TAPy) derivatives has been synthesized by reducing 1,4,5,8-tetrani-tronaphthalene to its corresponding tin salt (I) and reacting it with perfluorinated alkyl or aryl anhydrides. The result... Stereoselective Synthesis of P-Chirogenic Dibenzophosphole-Boranes via Aryne Intermediates [作者：DIEMER VINCENT; BERTHELOT ANAIS; BAYARDON JEROME; JUGE SYLVAIN; LEROUX FREDERIC R; COLOBERT FRANCOISE,期刊：Journal of Organic Chemistry, 页码：6117-6127 , 文章类型： Article，,卷期：2012年77-14] A new aryne-mediated tandem cross-coupling/P-cyclization sequence starting from tertiary phosphine-boranes and 1,2-dibromobenzenes is reported. P-chirogenic dibenzophospholes become accessible in a regio-, chemo-, and di... Asymmetric Epoxidation Using Iminium Salt Organocatalysts Featuring Dynamically Controlled Atropoisomerism [作者：PAGE PHILIP C BULMAN; BARTLETT CHRISTOPHER J; CHAN YOHAN; DAY DAVID; PARKER PHILLIP; BUCKLEY BENJAMIN R; RASSIAS GERACIMOS A; SLAWIN ALEXANDRA M Z; ALLIN STEVEN M; LACOUR JEROME; PINTO ANDRE,期刊：Journal of Organic Chemistry, 页码：6128-6138 , 文章类型： Article，,卷期：2012年77-14] Introduction of a pseudoaxial substituent at a stereogenic center adjacent to the nitrogen atom in binaphthyl- and biphenyl-derived azepinium salt organo-catalysts affords improved enantioselectivities and yields in the ... Total Syntheses of Cladoacetals A and B: Confirmation of Absolute Configurations [作者：HSU DAYSHIN; LIN SHIHCHUNG,期刊：Journal of Organic Chemistry, 页码：6139-6146 , 文章类型： Article，,卷期：2012年77-14] The first enantioselective syntheses of cladoacetals A (1a, overall yield: 16%) and B (1b, overall yield: 34%) from crotonaldehyde in nine and seven steps, respectively, have been accomplished. Sharpless asymmetric dihyd... Charge-Transfer Interactions in a Multichromophoric Hexaarylbenzene Containing Pyrene and Triarylamines [作者：LAMBERT CHRISTOPH; EHBETS JULIA; RAUSCH DIRK; STEEGER MARKUS,期刊：Journal of Organic Chemistry, 页码：6147-6154 , 文章类型： Article，,卷期：2012年77-14] Two different hexaarylbenzenes with three pyrene and three triarylamine substituents in different positions (trigonal symmetric and asymmetric arrangement) were synthesized, and their charge-transfer states were investig... Palladium-Catalyzed Double Carbonylation Using Near Stoichiometric Carbon Monoxide: Expedient Access to Substituted C-13(2)-Labeled Phenethylamines [作者：NIELSEN DENNIS U; NEUMANN KAROLINE; TAANING ROLF H; LINDHARDT ANDERS T; MODVIG AMALIE; SKRYDSTRUP TROELS,期刊：Journal of Organic Chemistry, 页码：6155-6165 , 文章类型： Article，,卷期：2012年77-14] A novel and general approach for C-13(2)- and H-2-labeled phenethylamine derivatives has been developed, based on a highly convergent single-step assembly of the carbon skeleton. The efficient incorporation of two carbon... Accessing the Long-Lived Triplet Excited States in Bodipy-Conjugated 2-(2-Hydroxyphenyl) Benzothiazole/Benzoxazoles and Applications as Organic Triplet Photosensitizers for Photooxidations [作者：YANG PEI; ZHAO JIANZHANG; WU WANHUA; YU XUERONG; LIU YIFAN,期刊：Journal of Organic Chemistry, 页码：6166-6178 , 文章类型： Article，,卷期：2012年77-14] Bodipy derivatives containing excited state intramolecular proton transfer (ESIPT) chromophores 2-(2-hydroxyphenyl) benzothiazole and benzoxazole (HBT and HBO) subunits were prepared (7-1.0). The compounds show red-shift... Aminoindolines versus Quinolines: Mechanistic Insights into the Reaction between 2-Aminobenzaldehydes and Terminal Alkynes in the Presence of Metals and Secondary Amines [作者：PATIL NITIN T; NIJAMUDHEEN A; DATTA AYAN,期刊：Journal of Organic Chemistry, 页码：6179-6185 , 文章类型： Article，,卷期：2012年77-14] DFT computational studies in the cyclization of aminoalkyne (see structure), which is generated in situ by 2-aminobenzaldehydes and terminal alkynes in the presence of metals and secondary amines, has been investigated. ... Stereoselective Synthesis of Densely Functionalized Pyrrolidin-2-ones by a Conjugate Addition/Nitro-Mannich/Lactamization Reaction [作者：ANDERSON JAMES C; HORSFALL LISA R; KALOGIROU ANDREAS S; MILLS MATTHEW R; STEPNEY GREGORY J; TIZZARD GRAHAM J,期刊：Journal of Organic Chemistry, 页码：6186-6198 , 文章类型： Article，,卷期：2012年77-14] Copper-catalyzed conjugate addition of diorgano zinc reagents to nitroacrylate 1 followed by a subsequent nitro-Mannich reaction and in situ. lactamization leads to an efficient one-pot synthesis of 1,3,5-trisubstituted ... meso-Aryl-3-alkyl-2-oxachlorins [作者：OGIKUBO JUNICHI; MEEHAN EILEEN; ENGLE JAMES T; ZIEGLER CHRISTOPHER J; BRUECKNER CHRISTIAN,期刊：Journal of Organic Chemistry, 页码：6199-6207 , 文章类型： Article，,卷期：2012年77-14] The formal replacement of a pyrrole moiety of meso-tetraarylporphyrin 1 by an oxazole moiety is described. The key step is the conversion of porpholactones 4 (prepared by a known two-step oxidation procedure from 1) by a... Enantioselective Synthesis of trans-Dihydrobenzofurans via Primary Amine-Thiourea Organocatalyzed Intramolecular Michael Addition [作者：LU AIDANG; HU KELING; WANG YOUMING; SONG HAIBIN; ZHOU ZHENGHONG; FANG JIANXIN; TANG CHUCHI,期刊：Journal of Organic Chemistry, 页码：6208-6214 , 文章类型： Article，,卷期：2012年77-14] A primary amin Et-thiourea organocatalyzed intramolecular Michael addition access was developed for the synthesis of trans-dihydrobenzofurans. Under the catalysis of an (R,R)-1,2-diphenylethylamine derived primary amine-... Diastereoselective [4+1] Cycloaddition of Alkenyl Propargyl Acetates with CO Catalyzed by [RhCl(CO)(2)](2) [作者：CHEN WEI; TAY JIAHUI; YU XIAOQI; PU LIN,期刊：Journal of Organic Chemistry, 页码：6215-6222 , 文章类型： Article，,卷期：2012年77-14] A class of alkenyl propargyl acetates, RCH(OAc)C CC(CH3)=CH2 (5), are found to undergo [4 + 1] cycloaddition with CO (1 atm) in the presence of [RhCl(CO)(2)](2) in refluxing 1,2-dichloroethane to give cyclopentenones (6... Layer-Block Dendrimers with Alternating Thienylenevinylene and Phenylenevinylene Units [作者：HADAD CAROLINE; GARCIAMARTINEZ JOAQUIN C; RODRIGUEZLOPEZ JULIAN,期刊：Journal of Organic Chemistry, 页码：6223-6230 , 文章类型： Article，,卷期：2012年77-14] A series of new hybrid, layer-block pi-conjugated dendrons and dendrimers with alternating thienylenevinylene and phenylenevinylene units has been prepared by means of an orthogonal and convergent-growth methodology that... A DFT-Based Analysis of the Gold-Catalyzed Cycloisomerization of 1-Siloxy 1,5-Enynes to Cyclohexadienes [作者：SORIANO ELENA; MARCOCONTELLES JOSE,期刊：Journal of Organic Chemistry, 页码：6231-6238 , 文章类型： Article，,卷期：2012年77-14] In this work, we present a deep theoretical study on the intriguing and unexpected gold-catalyzed cycloisomerization of siloxy enynes to cyclohexadienes. To this end, we have evaluated the electronic and steric propertie...