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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   A Chemical/Computational Approach to the Determination of Absolute Configuration of Flexible and Transparent Molecules: Aliphatic Diols As a Case Study. [作者：Tartaglia, Sabina;Padula, Daniele;Scafato, Patrizia;Chiummiento, Lucia;Rosini, Carlo;,期刊：Journal of Organic Chemistry, 页码：4865-4873 , 文章类型： 研究论文，,卷期：2008年73-13] By reacting flexible and optically transparent in UV-vis mols. such as 1,2-, syn- and anti-1,3-diols, 1,3-sulfanylalcs. of known abs. configuration (AC) with fluorenone di-Me acetal, the corresponding ketals are obtained... Hydride reduction of NAD+ analogues by isopropyl alcohol: kinetics, deuterium isotope effects and mechanism. [作者：Lu, Yun;Qu, Fengrui;Moore, Brian;Endicott, Donald;Kuester, William;,期刊：Journal of Organic Chemistry, 页码：4763-4770 , 文章类型： 研究论文，,卷期：2008年73-13] reactions from iso-Pr alc. (i-PrOH) to two NAD+ analogs, 9-phenylxanthylium ion (PhXn+) and 10-methylacridinium ion (MA+), were detd. at temps. ranging from 49?to 82?in i-PrOH contg. various amts. of AN or water. Format... Gold-Catalyzed Hydrative Carbocyclization of 1,5- and 1,7-Allenynes Mediated by p-Allene Complex: Mechanistic Evidence Supported by the Chirality Transfer of Allenyne Substrates. [作者：Yang, Chun-Yao;Lin, Guan-You;Liao, Hsin-Yi;Datta, Swarup;Liu, Rai-Shung;,期刊：Journal of Organic Chemistry, 页码：4907-4914 , 文章类型： 研究论文，,卷期：2008年73-13] We report PPh3AuCl/AgOTf-catalyzed hydrative carbocyclization of 1,5- and 1,7-allenynes to give cyclized ketones chemoselectively. In this transformation, hydration occurs regioselectively at the CYCPh carbon, accompani... Theoretical Study of the Asymmetric Conjugate Alkenylation of Enones Catalyzed by Binaphthols. [作者：Paton, Robert S.;Goodman, Jonathan M.;Pellegrinet, Silvina C.;,期刊：Journal of Organic Chemistry, 页码：5078-5089 , 文章类型： 研究论文，,卷期：2008年73-13] To rationalize the exptl. results obsd. in the asym. conjugate addn. of alkenylboronates to enones catalyzed by binaphthols and shed light into the factors controlling the rate, the selectivity, and the substituent effec... Stabilizing the Hammick Intermediate. [作者：Holloczki, Oldamur;Nyulaszi, Laszlo;,期刊：Journal of Organic Chemistry, 页码：4794-4799 , 文章类型： 研究论文，,卷期：2008年73-13] The possible stabilization of pyridine-2-ylidene has been investigated at B3LYP/6-31+G* and B3LYP/6-311+G** levels of theory. The aromaticity of this compd. is a significant contributor to its stability (ISEc = 24-27 kc... Solid-Phase Synthesis of Asymmetrically Substituted "AB3-Type" Phthalocyanines. [作者：Erdem, S. Sibel;Nesterova, Irina V.;Soper, Steven A.;Hammer, Robert P.;,期刊：Journal of Organic Chemistry, 页码：5003-5007 , 文章类型： 研究论文，,卷期：2008年73-13] Synthesis of phthalocyanines with asym. substitution on the periphery is often difficult due the problems in purifn. of the phthalocyanine mixts. obtained. Using a poly(ethylene glycol) (PEG)-based support with a Wang-t... Versatile Synthesis of Quinoline-3-Carboxylic Esters and Indol-2-Acetic Esters by Palladium-Catalyzed Carbonylation of 1-(2-Aminoaryl)-2-Yn-1-Ols. [作者：Gabriele, Bartolo;Mancuso, Raffaella;Salerno, Giuseppe;Lupinacci, Elvira;Ruffolo, Giuseppe;Costa, Mirco;,期刊：Journal of Organic Chemistry, 页码：4971-4977 , 文章类型： 研究论文，,卷期：2008年73-13] 1-(2-Aminoaryl)-2-yn-1-ols, easily obtained by the Grignard reaction between 1-(2-aminoaryl)ketones and alkynylmagnesium bromides, were subjected to carbonylative conditions in the presence of the PdI2-KI catalytic syste... Intramolecular Pd(II)-Catalyzed Oxidative Biaryl Synthesis Under Air: Reaction Development and Scope. [作者：Liegault, Benoit;Lee, Doris;Huestis, Malcolm P.;Stuart, David R.;Fagnou, Keith;,期刊：Journal of Organic Chemistry, 页码：5022-5028 , 文章类型： 研究论文，,卷期：2008年73-13] New reaction conditions for intramol. palladium(II)-catalyzed oxidative carbon-carbon bond formation under air are described. The use of pivalic acid as the reaction solvent, instead of acetic acid, results in greater r... Synthesis and Evaluation of the Cytotoxicity of Apoptolidinones A and D. [作者：Ghidu, Victor P.;Wang, Jingqi;Wu, Bin;Liu, Qingsong;Jacobs, Aaron;Marnett, Lawrence J.;Sulikowski, Gary A.;,期刊：Journal of Organic Chemistry, 页码：4949-4955 , 文章类型： 研究论文，,卷期：2008年73-13] Apoptolidins A-D are microbial secondary metabolites shown to be selectively cytotoxic against several cancer cell lines and noncytotoxic against normal cells. Total syntheses of apoptolidinones A and D I (R = Me, H, re... Synthesis of Diporphyrins via Palladium-Catalyzed C-O Bond Formation: Effective Access to Chiral Diporphyrins. [作者：Gao, Guang-Yao;Ruppel, Joshua V.;Fields, Kimberly B.;Xu, Xue;Chen, Ying;Zhang, X. Peter;,期刊：Journal of Organic Chemistry, 页码：4855-4858 , 文章类型： 研究论文，,卷期：2008年73-13] Diporphyrins can be efficiently synthesized from bromoporphyrin precursors via palladium-catalyzed C-O bond formation. The synthetic methodol. is general and can be applied to various diols, forming a series of homo-dip... A Water-Soluble Acyclic Phane Receptor Recognizing 2,3-trans-Gallate-Type Catechins. [作者：Hayashi, Nobuyuki;Ujihara, Tomomi;,期刊：Journal of Organic Chemistry, 页码：4848-4854 , 文章类型： 研究论文，,卷期：2008年73-13] To recognize gallate-type catechins in aq. soln., two water-sol. acyclic phane receptors contg. three arom. rings, e.g. I, were synthesized. The binding of these receptors to eight catechin analogs, e.g. II (R = OH, H),... Chiral Spherical Molecule Constructed from Aromatic Amides: Facile Synthesis and Highly Ordered Network Structure in the Crystal. [作者：Masu, Hyuma;Katagiri, Kosuke;Kato, Takako;Kagechika, Hiroyuki;Tominaga, Masahide;Azumaya, Isao;,期刊：Journal of Organic Chemistry, 页码：5143-5146 , 文章类型： 研究论文，,卷期：2008年73-13] A novel chiral spherical mol. composed of arom. amide was synthesized in short steps. The mol. is constructed from four benzene rings connected by six amide bonds and has multiple functionalizable points and an asym. st... Organocatalytic Enantioselective Michael Addition of 2,4-Pentanedione to Nitroalkenes Promoted by Bifunctional Thioureas with Central and Axial Chiral Elements. [作者：Peng, Fang-Zhi;Shao, Zhi-Hui;Fan, Bao-Min;Song, He;Li, Gan-Peng;Zhang, Hong-Bin;,期刊：Journal of Organic Chemistry, 页码：5202-5205 , 文章类型： 研究论文，,卷期：2008年73-13] Two novel bifunctional amine-thiourea organocatalysts I and II, which both bear central and axial chiral elements, have been developed to promote enantioselective Michael reaction between 1,3-dicarbonyl compds. and nitro... Synthesis of 7a-Substituted Hajos-Wiechert Ketone Analogues. [作者：Kennedy, Jason W. J.;Vietrich, Sophia;Weinmann, Hilmar;Brittain, Dominic E. A.;,期刊：Journal of Organic Chemistry, 页码：5151-5154 , 文章类型： 研究论文，,卷期：2008年73-13] = Ph, 4-MeOC6H4, cyclohexyl, etc.) has been developed. This operationally simple, two-step procedure is amenable to multigram scale prepns. of these useful synthetic intermediates. These compds. I are then transformed ... Cobalt-Catalyzed Intermolecular [2 + 2 + 2] Cycloaddition for the Synthesis of 1,3-Cyclohexadienes. [作者：Hilt, Gerhard;Paul, Anna;Harms, Klaus;,期刊：Journal of Organic Chemistry, 页码：5187-5190 , 文章类型： 研究论文，,卷期：2008年73-13] A cobalt(I)-catalyzed [2 + 2 + 2] cycloaddn. reaction between an internal acceptor-substituted alkyne and a terminal alkene leads to the formation of regiochem. enriched polysubstituted 1,3-cyclohexadiene derivs. I (R1 =... A Multianalyte Chemosensor on a Single Molecule: Promising Structure for an Integrated Logic Gate. [作者：Yuan, Mingjian;Zhou, Weidong;Liu, Xiaofeng;Zhu, Mei;Li, Junbo;Yin, Xiaodong;Zheng, Haiyan;Zuo, Zicheng;Ouyang, Canbin;Liu, Huibiao;Li, Yuliang;Zhu, Daoben;,期刊：Journal of Organic Chemistry, 页码：5008-5014 , 文章类型： 研究论文，,卷期：2008年73-13] A novel fluorescent probe that possess both BODIPY and Rhodamine moieties was designed for the selective detection of Hg2+ and Ba2+ ions on the controlling by a logic gate. The characteristic fluorescence of the Ba2+-se...