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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   gem-Dibromomethyl Aromatics: Efficient Aldehyde Equivalents in the Knoevenagel-Doebner Reaction [作者：AUGUSTINE JOHN KALLIKAT; NAIK YANJERAPPA ARTHOBA; POOJARI SUBBA; CHOWDAPPA NAGARAJA; SHERIGARA BAILUR SHEENA; AREPPA KUMMARA,期刊：Synthesis, 页码：2349-2356 , 文章类型： Article，,卷期：2009年-14] A valuable variation of the Knoevenagel-Doehner reaction for the efficient synthesis of cinnamic esters is described. This reaction provides cinnamic esters in a single step from gem-dibromomethyl aromatics, which otherw... Phosphine-Catalyzed Reaction of Cyanohydrins with Activated Alkynes [作者：SIBY ACETOU; LOREAU OLIVIER; TARAN FREDERIC,期刊：Synthesis, 页码：2365-2370 , 文章类型： Article，,卷期：2009年-14] A new method for preparing alpha-cyanoacrylates and alpha-cyanoenones is described. The procedure uses a phosphine-catalyzed alpha-C addition of cyanide ion, generated in situ from cyanohydrins, to activated alkynes. All... Sulfanyl-Substituted [3]Cumulenes and Buta-1,3-dienes from a Tetrakis(pyridinium)-Substituted Butadiene [作者：SCHMIDT ANDREAS; RAHIMI ALIREZA; GJIKAJ MIMOZA,期刊：Synthesis, 页码：2371-2378 , 文章类型： Article，,卷期：2009年-14] Treatment of perchlorobuta-1,3-diene with 4-(N,N-dimethylamino)pyridine resulted in the formation of 1,1',1 '',1'''-(2,3-dichlorobuta-1,3-diene-1,1,4,4-tetrayl)tetrakis[4-(dimethy lamino)pyridinium] tetrachloride (struct... Syntheses of Substituted Furans and Pyrroles by Platinum-Catalyzed Cyclizations of Propargylic Oxiranes and Aziridines in Aqueous Media [作者：YOSHIDA MASAHIRO; ALAMIN MOHAMMAD; SHISHIDO KOZO,期刊：Synthesis, 页码：2454-2466 , 文章类型： Article，,卷期：2009年-14] The reactions of propargylic oxiranes and aziridines with a platinum catalyst in aqueous media are described. Furans having a variety of substituents were conveniently synthesized by the platinum-catalyzed reaction of pr... Rhodium Carbenoid Induced [1,2]-Migration in an L-Lyxo-Configured alpha-Diazo beta-Keto Ester: Synthesis of a New Griseolic Acid Analogue [作者：BHUJBAL NAMDEO N; KUMAR K S AJISH; DHAVALE DILIP D,期刊：Synthesis, 页码：2423-2429 , 文章类型： Article，,卷期：2009年-14] An appropriately substituted alpha-diazo beta-keto ester, prepared from D-glucose, on treatment with a catalytic amount of dirhodium tetraacetate gave a strained 1,5-dioxabicyclo[3.3.0]octane ring system with concomitant... Synthesis of 5-Arylthio-3-hydroxyphthalates by the First [4+2] Cycloadditions of 3-Arylthio-1-silyloxy-1,3-butadienes with Dimethyl Acetylenedicarboxylate [作者：IQBAL INAM; IMRAN MUHAMMAD; LANGER PETER,期刊：Synthesis, 页码：2430-2434 , 文章类型： Article，,卷期：2009年-14] A variety of 5-arylthio-3-hydroxyphthalates were prepared by [4+2] cycloadditions of 3-arylthio-1-trimethylsilyloxy-1,3-butadienes with dimethyl acetylenedicarboxylate. Synthesis of Highly Functionalized Proline Derivatives via a One-Pot Michael/S-N '-Addition/Cyclization Approach [作者：KAZMAIER ULI; SCHMIDT CHRISTIAN,期刊：Synthesis, 页码：2435-2439 , 文章类型： Article，,卷期：2009年-14] Chelated enolates undergo Michael addition towards halogenated alpha,beta-unsaturated esters in a highly stereoselective fashion. The enolates formed can be trapped with electrophiles such as Baylis-Hillman-type acrylate... Rhodium/Graphite-Catalyzed Hydrogenation of Carbocyclic and Heterocyclic Aromatic Compounds [作者：FALINI GIUSEPPE; GUALANDI ANDREA; SAVOIA DIEGO,期刊：Synthesis, 页码：2440-2446 , 文章类型： Article，,卷期：2009年-14] Rhodium on graphite (Rh/Gr, C24Rh) was prepared by reaction of anhydrous rhodium trichloride with potassium graphite (C8K, 3 equivalents) and used as a heterogeneous catalyst for the hydrogenation of carbocyclic and hete... Potassium [1-(tert-Butoxycarbonyl)-1H-indol-2-yl]trifluoroborate as an Efficient Building Block in Palladium-Catalyzed Suzuki-Miyaura Cross Couplings [作者：KASSIS PAMELA; BENETEAU VALERIE; MEROUR JEANYVES; ROUTIER SYLVAN,期刊：Synthesis, 页码：2447-2453 , 文章类型： Article，,卷期：2009年-14] Potassium [1-(tert-butoxycarbonyl)-1H-indol-2-yl]trifluoroborate (1) was used in Suzuki-type coupling reactions. First, the best coupling conditions were assessed using bromobenzene as the electrophile. Then, 1 was succe... Transition-Metal-Free Oxidative Homocoupling of Aryl, Alkenyl, and Alkynyl Grignard Reagents with TEMPO [作者：MAJI MODHU SUDAN; STUDER ARMIDO,期刊：Synthesis, 页码：2467-2470 , 文章类型： Article，,卷期：2009年-14] Oxidative homocoupling of aryl, alkenyl, and alkynyl Grignard reagents by using commercially available TEMPO as an organic oxidant is described. These coupling reactions occur highly efficiently without the presence of a... Direct Methods for Stereoselective Polypropionate Synthesis: A Survey [作者：LI JUN; MENCHE DIRK,期刊：Synthesis, 页码：2293-2315 , 文章类型： Review，,卷期：2009年-14] Polypropionates are key subunits in structurally diverse polyketide natural products and pharmaceuticals, rendering their synthesis an objective of high priority in synthetic organic and medicinal chemistry. A variety of...