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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15条记录   Reusable porphyrinatoiron(III) complex supported on activated silica as an efficient heterogeneous catalyst for a facile, one-pot, selective synthesis of 2-arylbenzimidazole derivatives in the presence of atmospheric air as a "green" oxidant at ambient te [作者：Sharghi, Hashem;Beyzavi, Mohammad Hassan;Doroodmand, Mohammad Mahdi;,期刊：European Journal of Organic Chemistry, 页码：4126-4138 , 文章类型： 研究论文，,卷期：2008年-24] An efficient and highly selective synthesis of 2-arylbenzimidazoles by condensation of a wide range of aryl aldehydes bearing electron-donating or -withdrawing substituents and phenylenediamines in a single pot using a c... Regioselective three-component synthesis of highly fluorescent 1,3,5-trisubstituted pyrazoles. [作者：Willy, Benjamin;Muller, Thomas J. J.;,期刊：European Journal of Organic Chemistry, 页码：4157-4168 , 文章类型： 研究论文，,卷期：2008年-24] (Heterocyclic Compounds (More Than One Hetero Atom)) Section 3,5-Disubstituted and 1,3,5-trisubstituted pyrazoles are readily synthesized from acyl chlorides, terminal alkynes, and hydrazines by a consecutive one-pot thr... Vicarious nucleophilic substitutions of hydrogen in 1,1,1-trifluoro-N-[oxido(phenyl)(trifluoromethyl)-l4-sulfanylidene]methan esulfonamide. [作者：Lemek, Tadeusz;Groszek, Grazyna;Cmoch, Piotr;,期刊：European Journal of Organic Chemistry, 页码：4206-4209 , 文章类型： 研究论文，,卷期：2008年-24] 1,1,1-Trifluoro-N-[oxido(phenyl)(trifluoromethyl)-l4-sulfanylidene]methan esulfonamide reacts with carbanions bearing a leaving group to give vicarious nucleophilic substitution (VNS) of hydrogen products with moderate y... Alkynyl halides in ruthenium(II)-catalyzed [2 + 2] cycloadditions of bicyclic alkenes. [作者：Allen, Anna;Villeneuve, Karine;Cockburn, Neil;Fatila, Elisabeth;Riddell, Nicole;Tam, William;,期刊：European Journal of Organic Chemistry, 页码：4178-4192 , 文章类型： 研究论文，,卷期：2008年-24] Ru-catalyzed [2 + 2] cycloaddns. between bicyclic alkenes and alkynyl halides were found to occur in moderate to good yields. The presence of the halide moiety greatly enhances the reactivity of the alkyne component in ... TBD-catalyzed direct 5- and 6-enolexo aldolization of ketoaldehydes. [作者：Ghobril, Cynthia;Sabot, Cyrille;Mioskowski, Charles;Baati, Rachid;,期刊：European Journal of Organic Chemistry, 页码：4104-4108 , 文章类型： 研究论文，,卷期：2008年-24] Treatment of unfunctionalized acyclic ketoaldehydes with a catalytic amt. of 1,5,7-triazabicyclo[4.4.0]dec-5-ene induces a direct intramol. 5- and 6-enolexo aldolization, furnishing 2-ketocyclopentanols and 2-ketocyclohe... Palladium-catalyzed dienylations of chelated enolates. [作者：Basal, Sankar;Kazmaier, Uli;,期刊：European Journal of Organic Chemistry, 页码：4169-4177 , 文章类型： 研究论文，,卷期：2008年-24] Isomerization-free reactions of dienyl carbonates with chelated amino acid ester enolates at -78癈 provide important information concerning the mechanism of these dienylations. The formation of regioisomeric products can... Modular routes towards new N,O-bidentate ligands containing an electronically delocalised b-enaminone chelating backbone. [作者：Beckmann, Udo;Eichberger, Eva;Lindner, Monika;Bongartz, Melanie;Kunz, Peter C.;,期刊：European Journal of Organic Chemistry, 页码：4139-4147 , 文章类型： 研究论文，,卷期：2008年-24] A series of new N,O-ligands with an electronically delocalized b-enaminone backbone, e.g. R1COC(CN):CR2NHR3 (R1 = Cl3C, F3C, and their cyclic analogs, potentially useful in synthesis of nickel complexes for copolymn. of ... Hydrosilanes are not always reducing agents for carbonyl compounds but can also induce dehydration: a ruthenium-catalyzed conversion of primary amides to nitriles. [作者：Hanada, Shiori;Motoyama, Yukihiro;Nagashima, Hideo;,期刊：European Journal of Organic Chemistry, 页码：4097-4100 , 文章类型： 研究论文，,卷期：2008年-24] A practical procedure for prodn. of nitriles is offered by the triruthenium carbonyl cluster catalyzed dehydration of primary carboxamides with hydrosilanes under neutral conditions. This is the first example that a tra... Synthesis and phase structures of novel p-acceptor discotic liquid crystalline compounds having a pyrenedione core. [作者：Yasutake, Mikio;Fujihara, Takashi;Nagasawa, Akira;Moriya, Keiichi;Hirose, Takuji;,期刊：European Journal of Organic Chemistry, 页码：4120-4125 , 文章类型： 研究论文，,卷期：2008年-24] Several p-acceptor discotic liq. cryst. compds. were synthesized by using a pyrenedione unit as a core. Terrace-like and band-like observations and XRD measurements. In conjunction with the results of the single-crysta... A topological view of isomeric dendrimers. [作者：Schubert, Dirk;Corda, Mirza;Lukin, Oleg;Brusilowskij, Boris;Fiskin, Evgenij;Schalley, Christoph A.;,期刊：European Journal of Organic Chemistry, 页码：4148-4156 , 文章类型： 研究论文，,卷期：2008年-24] A topol. approach to the anal. of isomeric dendrimers by considering their mol. graphs was applied to correlate various properties of a series of new sulfonimide-based isomeric dendrimers with their structures. Accordin... Synthesis of functionalized isobenzomorphans by two-step cyclocondensation of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with isoquinolines. [作者：Yawer, Mirza A.;Hussain, Ibrar;Gutlein, Jorg-Peter;Schmidt, Andreas;Jiao, Haijun;Reinke, Helmut;Spannenberg, Anke;Fischer, Christine;Langer, Peter;,期刊：European Journal of Organic Chemistry, 页码：4193-4199 , 文章类型： 研究论文，,卷期：2008年-24] A great variety of functionalized 7,8-benzo-anellated 9-aza-bicyclo-[3.3.1]nonan-3-ones were prepd. by Me or benzyl chloroformate-mediated condensation of isoquinolines with 1,3-bis(silyloxy)-1,3-butadienes and subsequen... Green, palladium-catalyzed synthesis of benzylic H-phosphinates from hypophosphorous acid and benzylic alcohols. [作者：Coudray, Laetitia;Montchamp, Jean-Luc;,期刊：European Journal of Organic Chemistry, 页码：4101-4103 , 文章类型： 研究论文，,卷期：2008年-24] Benzylic alcs. cross-couple directly with concd. H3PO2 by using Pd/xantphos (1 or 2 mol-%). Depending on the substrate, DMF at 110癈 or t-AmOH at reflux with a Dean-Stark trap can be used. A broad range of benzylic alcs... Evaluation of an intramolecular approach for the synthesis of the elusive C58N2 heterofullerene family. [作者：von Delius, Max;Hauke, Frank;Hirsch, Andreas;,期刊：European Journal of Organic Chemistry, 页码：4109-4119 , 文章类型： 研究论文，,卷期：2008年-24] Compounds (More Than One Hetero Atom)) Section A new approach towards the synthesis of the elusive heterofullerene C58N2 is presented. The synthetic strategy is based on the intramol. 1,3-dipolar cycloaddn. of a spacer-... Recent advances in the chemistry of indazoles. [作者：Schmidt, Andreas;Beutler, Ariane;Snovydovych, Bohdan;,期刊：European Journal of Organic Chemistry, 页码：4073-4095 , 文章类型： 研究论文，,卷期：2008年-24] Compounds (More Than One Hetero Atom)) Section A review. Indazoles are of considerable interest due to the broad variety of their biol. activities. This overview summarizes structures of pharmacol. interesting indazole... Elimination mechanisms in the aminolysis of sulfamate esters of the type NH2SO2OC6H4X - models of enzyme inhibitors. [作者：Spillane, William J.;O'Byrne, Andrew;McCaw, Cheryl J. A.;,期刊：European Journal of Organic Chemistry, 页码：4200-4205 , 文章类型： 研究论文，,卷期：2008年-24] The kinetics of the reaction of 4-nitrophenyl sulfamate NH2SO2OC6H4NO2-4 (1a) in acetonitrile (ACN) with a series of pyridines (pKa range ca. 8 units) and alicyclic amines (pKa range ca. 3.6 units) has been studied in th...