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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27条记录   Enyne-Metathesis-Based Tandem Processes [作者：LI JINGWEI; LEE DAESUNG,期刊：European Journal of Organic Chemistry, 页码：4269-4287 , 文章类型： Review，,卷期：2011年-23] Enyne metathesis is a powerful synthetic tool for generating 1,3-dienes by redistributing unsaturated functionalities between an alkene and an alkyne via vinylalkylidene intermediates. Although less explored, enyne metat... Biaryl-Bridged Salalen Ligands and Their Application in Titanium-Catalyzed Asymmetric Epoxidation of Olefins with Aqueous H(2)O(2) [作者：XIONG DONGLU; HU XIAOXUE; WANG SHOUFENG; MIAO CHENGXIA; XIA CHUNGU; SUN WEI,期刊：European Journal of Organic Chemistry, 页码：4289-4292 , 文章类型： Article，,卷期：2011年-23] A series of biaryl-bridged salalen ligands together with their titanium complexes have been designed and synthesized. The Ti complexes could serve as highly efficient catalysts for the asymmetric epoxidation of a wide ra... Synthesis of Various Chiral 1,2,4-Triazole-Containing alpha-Amino Acids from Aspartic or Glutamic Acids [作者：BLAYO ANNELAURE; BRUNEL FREDERIC; MARTINEZ JEAN; FEHRENTZ JEANALAIN,期刊：European Journal of Organic Chemistry, 页码：4293-4297 , 文章类型： Article，,卷期：2011年-23] Starting from N- and C-protected aspartic or glutamic acids, new unnatural alpha-amino acids containing 3,4,5-trisubstituted 1,2,4-triazole heterocycles on their side chains have been synthesized. Two points of diversity... Dual Secondary Amine/N-Heterocyclic Carbene Catalysis in the Asymmetric Michael/Cross-Benzoin Cascade Reaction of beta-Oxo Sulfones with Enals [作者：ENDERS DIETER; GROSSMANN ANDRE; HUANG HE; RAABE GERHARD,期刊：European Journal of Organic Chemistry, 页码：4298-4301 , 文章类型： Article，,卷期：2011年-23] Polyfuncionalized cyclopentanones with three contiguous stereogenic centers were formed in good to excellent yields and stereoselectivities by utilizing a secondary amine/N-heterocyclic carbene catalytic system in the re... [2+2] Annulation of Aldimines with Sulfonic Acids: A Novel One-Pot cis-Selective Route to beta-Sultams [作者：RAI ANKITA; RAI VIJAI K; SINGH ATUL K; YADAV LAL DHAR S,期刊：European Journal of Organic Chemistry, 页码：4302-4306 , 文章类型： Article，,卷期：2011年-23] A novel DMF/dimethyl sulfate promoted [2 + 2] annulation of aldimines with sulfonic acids afforded beta-sultams in good to excellent yields (35-93%) under mild conditions. The protocol offers a convenient alternative to ... Comparison of CC Triple and Double Bonds as Spacers in Push-Pull Chromophores [作者：FRANK BRIAN B; LAPORTA PHILIP R; BREITEN BENJAMIN; KUZYK MARK C; JAROWSKI PETER D; SCHWEIZER W BERND; SEILER PAUL; BIAGGIO IVAN; BOUDON CORINNE; GISSELBRECHT JEANPAUL; DIEDERICH FRANCOIS,期刊：European Journal of Organic Chemistry, 页码：4307-4317 , 文章类型： Article，,卷期：2011年-23] We report the synthesis and properties of two series of homologous donor-acceptor (D-A) chromophores in which N,N-dimethylanilino (DMA) or N,N-dihexylanilino (DHA) donors and dicyanovinyl acceptors are separated by up to... Glyoxalate-Derived Aldimines in Cycloaddition Reactions with Olefins [作者：PALACIOS FRANCISCO; ALONSO CONCEPCION; FUERTES MARIA; EZPELETA JOSE M; RUBIALES GLORIA,期刊：European Journal of Organic Chemistry, 页码：4318-4326 , 文章类型： Article，,卷期：2011年-23] The reaction of aldimine 1a, derived from ethyl glyoxalate, with activated dienophiles, such as styrene and indene, gave the tetrahydro-1,5-naphthyridine derivatives 3 with regio- and stereoselective control of three ste... A Study of Factors Affecting Enantioselectivity in the Oxidation of Aryl Benzyl Sulfides in the Presence of Chiral Titanium Catalysts [作者：CAPOZZI MARIA ANNUNZIATA M; CENTRONE CATERINA; FRACCHIOLLA GIUSEPPE; NASO FRANCESCO; CARDELLICCHIO COSIMO,期刊：European Journal of Organic Chemistry, 页码：4327-4334 , 文章类型： Article，,卷期：2011年-23] A series of experiments was performed to test a theoretical model that we have recently proposed to explain the highly enantioselective oxidation of aryl benzyl sulfides with tertbutyl hydroperoxide in the presence of a ... First Synthesis of alpha,beta-Unsaturated Lactones with High Diversity through the Passerini Reaction and Ring-Closing Metathesis (RCM) [作者：SCHWAEBLEIN ALMUTH; MARTENS JUERGEN,期刊：European Journal of Organic Chemistry, 页码：4335-4344 , 文章类型： Article，,卷期：2011年-23] A new class of alpha, beta-unsaturated pyran-2-carboxamides was easily accessed by a multicomponent reaction (MCR), followed by a ring-closing metathesis (RCM) using a ruthenium catalyst. In the first step, alpha-acyloxy... Studies on Substituted Aromatic Diselenides as Catalysts for Selective Alcohol Oxidation Using tert-Butyl Hydroperoxide [作者：VAN DER TOORN JOHN C; KEMPERMAN GERJAN; SHELDON ROGER A; ARENDS ISABEL W C E,期刊：European Journal of Organic Chemistry, 页码：4345-4352 , 文章类型： Article，,卷期：2011年-23] We have investigated the Ph(2)Se(2)-catalysed oxidation of alcohols with tert-butyl hydroperoxide (TBHP) by using a variety of spectroscopic techniques and reaction calorimetry. We showed that the active oxidant is benze... Iron(II)-Catalyzed Asymmetric Hydrosilylation of Acetophenone [作者：FLUECKIGER MICHELLE; TOGNI ANTONIO,期刊：European Journal of Organic Chemistry, 页码：4353-4360 , 文章类型： Article，,卷期：2011年-23] Four new ligands containing a pentasubstituted cyclopentadiene tethered to a stereogenic diamine unit have been prepared and used in the iron-catalyzed enantioselective hydrosilylation of acetophenone. Catalytically acti... Asymmetric Reduction of alpha-Keto Esters with Thermus thermophilus NADH-Dependent Carbonyl Reductase using Glucose Dehydrogenase and Alcohol Dehydrogenase for Cofactor Regeneration [作者：PENNACCHIO ANGELA; GIORDANO ASSUNTA; ROSSI MOSE; RAIA CARLO A,期刊：European Journal of Organic Chemistry, 页码：4361-4366 , 文章类型： Article，,卷期：2011年-23] The enantioselective synthesis of methyl (R)-mandelate and methyl (R)-o-chloromandelate was investigated using an NADH-dependent carbonyl reductase from Thermus thermophilus (TtADH) and, separately, archaeal glucose dehy... Experimental and Theoretical Study of the Keto-Enol Tautomerization of 3,5-Dioxopimelates [作者：ERFLE SILKE; REIM STEFANIE; MICHALIK DIRK; JIAO HAIJUN; LANGER PETER,期刊：European Journal of Organic Chemistry, 页码：4367-4372 , 文章类型： Article，,卷期：2011年-23] Substituted 3,5-dioxopimelic acid diesters, stable 1,3,5,7-tetracarbonyl derivatives, were prepared by condensation of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with methyl malonyl chloride. The influence of the substitu... Palladium-Catalyzed Direct Arylations of Five-Membered Heteroarenes Bearing N-Monoalkylcarboxamide Substituents [作者：LAIDAOUI NOURIA; ROGER JULIEN; MILOUDI ABDELLAH; EL ABED DOUNIAZAD; DOUCET HENRI,期刊：European Journal of Organic Chemistry, 页码：4373-4385 , 文章类型： Article，,卷期：2011年-23] The palladium-catalyzed direct arylation of furan, thiophene, pyrrole, or pyrazole derivatives bearing CONHR substituents on C2, C3, or C5 with aryl bromides was studied. The use of KOAc as the base, DMAc as the solvent,... 2-and 3-Monohalogenated BODIPY Dyes and Their Functionalized Analogues: Synthesis and Spectroscopy [作者：LEEN VOLKER; LEEMANS TOM; BOENS NOEL; DEHAEN WIM,期刊：European Journal of Organic Chemistry, 页码：4386-4396 , 文章类型： Article，,卷期：2011年-23] Starting from appropriately halogenated acylpyrroles, a wide range of reactive 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) derivatives can be obtained. The fluorescent dyes display excellent reactivity in nucleop... Linear Synthesis of Chiral cycloSal-Pronucleotides [作者：MORALES EDWUIN HANDER RIOS; ROMAN CRISTINA ARBELO; THOMANN JENS OLIVER; MEIER CHRIS,期刊：European Journal of Organic Chemistry, 页码：4397-4408 , 文章类型： Article，,卷期：2011年-23] CycloSal-nucleosyl-phosphate triesters are a known class of highly effective nucleotide prodrugs (pronucleotides) of anti-virally active nucleoside analogues. Until recently, the synthesis of these compounds always gave ...