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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39条记录   A novel Ni4 complex exhibiting microsecond quantum tunneling of the magnetization. [作者：Aromi, Guillem;Bouwman, Elisabeth;Burzuri, Enrique;Carbonera, Chiara;Krzystek, J.;Luis, Fernando;Schlegel, Christoph;van Slageren, Joris;Tanase, Stefania;Teat, Simon J.;,期刊：Chemistry-A European Journal, 页码：11158-11166 , 文章类型： 研究论文，,卷期：2008年14-35] A highly asym. NiII cluster, [Ni4(OH)(OMe)3(Hphpz)4(MeOH)3](MeOH) (1, H2phpz = 3-methyl-5-(2-hydroxyphenyl)pyrazole), was prepd. and its structure detd. by single-crystal x-ray diffraction by using synchrotron radiation.... Asymmetric 1,4-addition of oxazolones to nitroalkenes by bifunctional cinchona alkaloid thiourea organocatalysts: synthesis of a,a-disubstituted a-amino acids. [作者：Aleman, Jose;Milelli, Andrea;Cabrera, Silvia;Reyes, Efraim;Joergensen, Karl Anker;,期刊：Chemistry-A European Journal, 页码：10958-10966 , 文章类型： 研究论文，,卷期：2008年14-35] An easy and simple synthetic approach to optically active a,a-quaternary a-amino acids using asym. organocatalysis is presented. The addn. of oxazolones I (R1 = Me3C, Ph, 4-MeC6H4, 2-ClC6H4, 2-FC6H4, 4-O2NC6H4; R2 = Me,... Synthesis of furoquinolines by a one-pot multicomponent cascade reaction catalyzed by platinum complexes. [作者：Barluenga, Jose;Mendoza, Abraham;Rodriguez, Felix;Fananas, Francisco J.;,期刊：Chemistry-A European Journal, 页码：10892-10895 , 文章类型： 研究论文，,卷期：2008年14-35] Functionalized furoquinoline derivs. are easily obtained in a one-pot three-component coupling process that involves the reaction of 4-pentyn-1-ol derivs. and N-arylaldimines in the presence of catalytic amts. of a plati... A general approach to aza-heterocycles by means of domino sequences driven by hydroformylation. [作者：Airiau, Etienne;Spangenberg, Thomas;Girard, Nicolas;Schoenfelder, Angele;Salvadori, Jessica;Taddei, Maurizio;Mann, Andre;,期刊：Chemistry-A European Journal, 页码：10938-10948 , 文章类型： 研究论文，,卷期：2008年14-35] The development of hydroformylative domino reactions of easily accessible vinyl acetamides is described. Extremely regioselective hydroformylation of terminal double bounds provides a transient N-acyliminium that can be... Total synthesis and biological activity of neopeltolide and analogues. [作者：Vintonyak, Viktor V.;Kunze, Brigitte;Sasse, Florenz;Maier, Martin E.;,期刊：Chemistry-A European Journal, 页码：11132-11140 , 文章类型： 研究论文，,卷期：2008年14-35] Combining the core structure of neopeltolide, lactone I, with the oxazole-contg. side chain II via a Mitsunobu reaction provided the cytotoxic natural product neopeltolide. Key steps in the prepn. of II were a Sonogashi... "roll-over" cyclometalation of 2,2'-bipyridine platinum (II) complexes in the gas phase: A combined experimental and computational study. [作者：Butschke, Burkhard;Schlangen, Maria;Schroeder, Detlef;Schwarz, Helmut;,期刊：Chemistry-A European Journal, 页码：11050-11060 , 文章类型： 研究论文，,卷期：2008年14-35] In a combined exptl./computational study, the gas-phase behavior of cationic [Pt(bipy)Me(Me2S)]+ (1) (bipy = 2,2'-bipyridine) was explored. Losses of CH4 and Me2S from 1 gave a cyclometalated 2,2'-bipyrid-3-yl species [P... N,N-dimethylaminopropylsilane: a case study on the nature of weak intramolecular Si鬃譔 interactions. [作者：Hagemann, Michael;Berger, Raphael J. F.;Hayes, Stuart A.;Stammler, Hans-Georg;Mitzel, Norbert W.;,期刊：Chemistry-A European Journal, 页码：11027-11038 , 文章类型： 研究论文，,卷期：2008年14-35] N,N-Dimethylaminopropylsilane H3Si(CH2)3NMe2 was synthesized by the reaction of (MeO)3Si(CH2)3NMe2 with Li Al hydride. Its solid-state structure was detd. by x-ray diffraction, which revealed a five-membered ring with a... Synthesis of diarylamines catalyzed by iron salts. [作者：Correa, Arkaitz;Carril, Monica;Bolm, Carsten;,期刊：Chemistry-A European Journal, 页码：10919-10922 , 文章类型： 研究论文，,卷期：2008年14-35] A complementary procedure for the synthesis of diaryl-amines consisting of an iron-catalyzed N-arylation of acetanilides followed by a subsequent deprotection step is presented. This protocol overcomes the previously ob... Organocatalyzed highly enantioselective Michael additions of malonates to enones by using novel primary-secondary diamine catalysts. [作者：Yang, Ying-Quan;Zhao, Gang;,期刊：Chemistry-A European Journal, 页码：10888-10891 , 文章类型： 研究论文，,卷期：2008年14-35] Several novel primary-secondary diamine catalysts were readily prepd. in three steps from com. available primary amino acids. The catalysts showed excellent catalytic activity and enantioselectivity (up to 99 % yield, >... Total synthesis of discodermolide: optimization of the effective synthetic route. [作者：de Lemos, Elsa;Poree, Francois-Hugues;Bourin, Arnaud;Barbion, Julien;Agouridas, Evangelos;Lannou, Marie-Isabelle;Commercon, Alain;Betzer, Jean-Francois;Pancrazi, Ange;Ardisson, Janick;,期刊：Chemistry-A European Journal, 页码：11092-11112 , 文章类型： 研究论文，,卷期：2008年14-35] An efficient and modulable total synthesis of discodermolide (DDM), a unique marine anticancer polyketide is described including related alternative synthetic approaches. Particularly notable is the repeated application... Heterometal alkoxides as precursors for the preparation of porous Fe- and Mn-TiO2 photocatalysts with high efficiencies. [作者：Zou, Xiao-Xin;Li, Guo-Dong;Guo, Ming-Yi;Li, Xin-Hao;Liu, Da-Peng;Su, Juan;Chen, Jie-Sheng;,期刊：Chemistry-A European Journal, 页码：ia11123-11131 , 文章类型： 研究论文，,卷期：2008年14-35] Transition-metal-doped titanium glycolates (M-TG, with M = Fe, Mn), which are the first non-stoichiometric heterometal alkoxides, have been synthesized through a solvothermal doping approach. X-ray diffraction, UV/Vis d... Synthesis and cannabinoid receptor activity of ketoalkenes from echinacea pallida and nonnatural analogues. [作者：Egger, Michael;Pellett, Patrina;Nickl, Kathrin;Geiger, Sarah;Graetz, Stephanie;Seifert, Roland;Heilmann, Joerg;Koenig, Burkhard;,期刊：Chemistry-A European Journal, 页码：10978-10987 , 文章类型： 研究论文，,卷期：2008年14-35] Despite its popularity and widespread use, the efficacy of Echinacea products remains unclear and controversial. Among the various compds. isolated from Echinacea, ketoalkenes and ketoalkenynes exclusively found in the ... Cobalt- and nickel-catalyzed regio- and stereoselective reductive coupling of alkynes, allenes, and alkenes with alkenes. [作者：Jeganmohan, Masilamani;Cheng, Chien-Hong;,期刊：Chemistry-A European Journal, 页码：10876-10886 , 文章类型： 研究论文，,卷期：2008年14-35] coupling of alkynes, allenes, and alkenes with alkenes. Transition-metal-catalyzed coupling of two different C-C p components through a metallacycle intermediate is a highly atom economical method to construct C-C bonds ... Highly fluorescent conjugated pyrenes in nucleic acid probes: (phenylethynyl)pyrenecarbonyl-functionalized locked nucleic acids. [作者：Astakhova, Irina V.;Korshun, Vladimir A.;Wengel, Jesper;,期刊：Chemistry-A European Journal, 页码：11010-11026 , 文章类型： 研究论文，,卷期：2008年14-35] In recent years, fluorescently labeled oligonucleotides have become a widely used tool in diagnostics, DNA sequencing, and nanotechnol. The recently developed (phenylethynyl)pyrenes are attractive dyes for nucleic acid l... Energetic ionic liquids based on lanthanide nitrate complex anions. [作者：Tao, Guo-Hong;Huang, Yangen;Boatz, Jerry A.;Shreeve, Jean'ne M.;,期刊：Chemistry-A European Journal, 页码：11167-11173 , 文章类型： 研究论文，,卷期：2008年14-35] Energetic ionic liqs. based on anionic lanthanide nitrate complexes Cat+3[Ln(NO3)6]3-, where Cat+ is guanidinium, 4-aminotriazolium, 4-amino-1-methyltriazolium, 4-amino-1-ethyltriazolium, 4-amino-1-butyltriazolium, 1,5-d... New mechanistic insight in the thermal helix inversion of second-generation molecular motors. [作者：Klok, Martin;Walko, Martin;Geertsema, Edzard M.;Ruangsupapichat, Nopporn;Kistemaker, Jos C. M.;Meetsma, Auke;Feringa, Ben L.;,期刊：Chemistry-A European Journal, 页码：11183-11193 , 文章类型： 研究论文，,卷期：2008年14-35] The introduction of dibenzocyclohepten-5-ylidene as part of a unidirectional light-driven mol. motor allows a more complete picture of the pathway of thermal helix inversion to be developed. The most stable conformation...