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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53条记录   Iminium Salts of w-Dithiafulvenylpolyenals: An Easy Entry to the Corresponding Aldehydes and Doubly Proaromatic Nonlinear Optic-phores. [作者：Alias, Silvia;Andreu, Raquel;Blesa, Maria Jesus;Cerdan, Miguel Angel;Franco, Santiago;Garin, Javier;Lopez, Carolina;Orduna, Jesus;Sanz, Jorge;Alicante, Raquel;Villacampa, Belen;Allain, Magali;,期刊：Journal of Organic Chemistry, 页码：5890-5898 , 文章类型： 研究论文，,卷期：2008年73-15] A short, high-yielding route to w-dithiafulvenylpolyenals I (X = O; n = 2, 3) via the corresponding iminium salts I (X = NMe2) and starting from trimethyl-1,3-dithiolium tetrafluoroborate is reported. The Knoevenagel re... Combinatorial and Automated Synthesis of Phosphodiester Galactosyl Cluster on Solid Support by Click Chemistry Assisted by Microwaves. [作者：Pourceau, Gwladys;Meyer, Albert;Vasseur, Jean-Jacques;Morvan, Francois;,期刊：Journal of Organic Chemistry, 页码：6014-6017 , 文章类型： 研究论文，,卷期：2008年73-15] Small libraries of di-, tri-, and tetra-galactosyl clusters were efficiently synthesized using combinatorial methodol., on solid support, by click chem. assisted by microwaves, starting from different poly alkyne DNA-bas... New Picropodophyllin Analogs via Palladium-Catalyzed Allylic Alkylation-Hiyama Cross-Coupling Sequences. [作者：Vitale, Maxime;Prestat, Guillaume;Lopes, David;Madec, David;Kammerer, Claire;Poli, Giovanni;Girnita, Leonard;,期刊：Journal of Organic Chemistry, 页码：5795-5805 , 文章类型： 研究论文，,卷期：2008年73-15] Unsatd. malonyl esters underwent Pd-catalyzed intramol. allylic alkylation to give 4-vinyl-substituted g-lactones. In contrast to the formerly studied cyclization of malonamides, this reaction could be achieved only wit... Tailoring a Bacteriochlorin Building Block with Cationic, Amphipathic, or Lipophilic Substituents. [作者：Ruzie, Christian;Krayer, Michael;Balasubramanian, Thiagarajan;Lindsey, Jonathan S.;,期刊：Journal of Organic Chemistry, 页码：5806-5820 , 文章类型： 研究论文，,卷期：2008年73-15] Bacteriochlorins are attractive candidates for photodynamic therapy (PDT) of diverse medical indications owing to their strong absorption in the near-IR (NIR) region, but their use has been stymied by lack of access to s... Rational Combination of Two Privileged Chiral Backbones: Highly Efficient Organocatalysts for Asymmetric Direct Aldol Reactions between Aromatic Aldehydes and Acyclic Ketones. [作者：Chen, Jia-Rong;An, Xiao-Lei;Zhu, Xiao-Yu;Wang, Xu-Fan;Xiao, Wen-Jing;,期刊：Journal of Organic Chemistry, 页码：6006-6009 , 文章类型： 研究论文，,卷期：2008年73-15] A new class of organocatalysts has been designed by rational combination of proline with cinchona alkaloids. A chiral amine, prepd. from L-proline and cinchonidine, has been found to be an efficient catalyst for the dir... Cinnamoyl Inhibitors of Tissue Transglutaminase. [作者：Pardin, Christophe;Pelletier, Joelle N.;Lubell, William D.;Keillor, Jeffrey W.;,期刊：Journal of Organic Chemistry, 页码：5766-5775 , 文章类型： 研究论文，,卷期：2008年73-15] 7, 75 Transglutaminases (TGases) catalyze the intermol. crosslinking of certain proteins and tissue TGases (TG2) are involved in diverse biol. processes. Unregulated, high TGase activities have been implicated in severa... Single-Isomer Trisubstituted Olefins from a Novel Reaction of (E)-b-Chloro-a-iodo-a,b-unsaturated Esters and Amides. [作者：Simard-Mercier, Julie;Jiang, Jojo Liu;Ho, Michael L.;Flynn, Alison B.;Ogilvie, William W.;,期刊：Journal of Organic Chemistry, 页码：5899-5906 , 文章类型： 研究论文，,卷期：2008年73-15] (E)-b-Chloro-a-iodo-a,b-unsatd. esters are converted to single isomer trisubstituted olefins bearing three different carbon substituents by cross-coupling under reflux. Mechanistic investigations suggest that this proce... Synthesis, Structure, and Transannular p-p Interaction of Three- and Four-Layered [3.3]Paracyclophanes. [Erratum to document cited in CA149:053562]. [作者：Shibahara, Masahiko;Watanabe, Motonori;Iwanaga, Tetsuo;Matsumoto, Taisuke;Ideta, Keiko;Shinmyozu, Teruo;,期刊：Journal of Organic Chemistry, 页码：6052-6052 , 文章类型： 研究论文，,卷期：2008年73-15] On page 4441, in column 2, in line 19, "EbsMIC 7" should read "EbsMIC". Nucleophilic Fluoroalkylation of a,b-Enones, Arynes, and Activated Alkynes with Fluorinated Sulfones: Probing the Hard/Soft Nature of Fluorinated Carbanions. [作者：Ni, Chuanfa;Zhang, Laijun;Hu, Jinbo;,期刊：Journal of Organic Chemistry, 页码：5699-5713 , 文章类型： 研究论文，,卷期：2008年73-15] The nucleophilic fluoroalkylation of a,b-enones, arynes, and activated alkynes with fluorinated sulfones is described. It was found that for acyclic a,b-enones, although the reaction medium and the structure of the enon... Enantioselective Synthesis of b-Aryl-g-amino Acid Derivatives via Cu-Catalyzed Asymmetric 1,4-Reductions of g-Phthalimido-Substituted a,b-Unsaturated Carboxylic Acid Esters. [作者：Deng, Jun;Hu, Xiang-Ping;Huang, Jia-Di;Yu, Sai-Bo;Wang, Dao-Yong;Duan, Zheng-Chao;Zheng, Zhuo;,期刊：Journal of Organic Chemistry, 页码：6022-6024 , 文章类型： 研究论文，,卷期：2008年73-15] A series of chiral b-aryl-substituted g-amino butyric acid derivs. I (R = 4-FC6H4, 3-MeOC6H4, 2-thienyl, etc.) were synthesized in good enantioselectivities via the Cu-catalyzed asym. conjugate redn. of g-phthalimido-a,b... Rapid and Efficient Pd-Catalyzed Sonogashira Coupling of Aryl Chlorides. [作者：Huang, He;Liu, Hong;Jiang, Hualiang;Chen, Kaixian;,期刊：Journal of Organic Chemistry, 页码：6037-6040 , 文章类型： 研究论文，,卷期：2008年73-15] An efficient and effective microwave-assisted cross-coupling of terminal alkynes with various aryl chlorides including sterically hindered, electron-rich, electron-neutral, and electron-deficient aryl chloride is develop... Preparation, Characterization, and Electrochemical Properties of a New Series of Hybrid Dendrimers Containing a Viologen Core and Frechet and Newkome Dendrons. [作者：Bhattacharya, Papri;Kaifer, Angel E.;,期刊：Journal of Organic Chemistry, 页码：5693-5698 , 文章类型： 研究论文，,卷期：2008年73-15] Five new 4,4'-bipyridinium (viologen) core dendrimers contg. a Frechet dendron linked to each of the termini of the viologen residue were prepd. and characterized. These macromols. (FnNn) were prepd. according to synthe... Mild and Efficient Chemoselective Deprotection of Anomeric O-Methyl Glycosides with Trityl Tetrafluoroborate. [作者：Kumar, Amit;Doddi, Venkata Ramana;Vankar, Yashwant D.;,期刊：Journal of Organic Chemistry, 页码：5993-5995 , 文章类型： 研究论文，,卷期：2008年73-15] A facile chemoselective deprotection of anomeric O-Me glycosides has been achieved in good to excellent yields within 10-40 min with use of trityl tetrafluoroborate in dichloromethane at ambient temps. The present metho... Total synthesis of (?-flustramines A and C, (?-flustramide A, and (-)- and (+)-debromoflustramines A. [作者：Kawasaki, Tomomi;Shinada, Masashi;Ohzono, Mayu;Ogawa, Atsuyo;Terashima, Romi;Sakamoto, Masanori;,期刊：Journal of Organic Chemistry, 页码：5959-5964 , 文章类型： 研究论文，,卷期：2008年73-15] Here we describe the efficient total synthesis of the three title hexahydropyrrolo[2,3-b]indole alkaloids and debromo deriv. from readily available indolin-3-ones using key domino reactions, olefination-isomerization-Cla... Total Synthesis of (S)-(+)-Tylophorine Via Enantioselective Intramolecular Alkene Carboamination. [作者：Zeng, Wei;Chemler, Sherry R.;,期刊：Journal of Organic Chemistry, 页码：6045-6047 , 文章类型： 研究论文，,卷期：2008年73-15] The enantioselective synthesis of (S)-(+)-tylophorine (I), a potent cancer cell growth inhibitor, has been accomplished in eight steps from com. available 3,4-dimethoxybenzyl alc. A copper (II)-catalyzed enantioselectiv... A Computational Study of Multicomponent Orbital Interactions during the Cyclization of Silyl, Germyl, and Stannyl Radicals onto C-N and C-O Multiple Bonds. [作者：Wille, Uta;Tan, Jeremy C.-S.;Mucke, Eva-Katrin;,期刊：Journal of Organic Chemistry, 页码：5821-5830 , 文章类型： 研究论文，,卷期：2008年73-15] BHandHLYP/6-311G** and BHandHLYP/DZP computations of the potential surface of Si-, Ge-, and Sn-radical cyclizations onto the imine double bond reveal that these reactions proceed through simultaneous SOMO ?p*, LPN ?SOMO,...