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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21条记录   Recent Advances in Transition-Metal-Catalyzed [2+2+2]Cyclo(co)trimerization Reactions [作者：BROERE DANIEL L J; RUIJTER EELCO,期刊：Synthesis, 页码：2639-2672 , 文章类型： Review，,卷期：2012年44-17] Transition-metal-catalyzed [2+2+2]cyclo(co)trimerization reactions are a powerful methodology to synthesize various complex multi-substituted (poly) cyclic molecules in a single step with optimal atom efficiency. Ever si... Pyrrolizidine Alkaloids Pyrrolams A-D: A Survey of Synthetic Efforts, Biological Activity, and Studies on Their Stability [作者：MAJIK MAHESH S; TILVE SANTOSH G,期刊：Synthesis, 页码：2673-2681 , 文章类型： Review，,卷期：2012年44-17] Pyrrolam A is a microbial metabolite, structurally related to plant alkaloids of the necine-type, and was isolated from the bacterial strain of Streptomyces olivaceus along with the related alkaloids pyrrolams B-D. The s... Conformationally Restricted Peptide Mimetics by Ring-Closing Olefin Metathesis [作者：WAKCHAURE SATISH; EINSIEDEL JUERGEN; WAIBEL REINER; GMEINER PETER,期刊：Synthesis, 页码：2682-2694 , 文章类型： Article，,卷期：2012年44-17] Elegant chemical methodology restricting the backbone flexibility of biologically active peptides has attracted growing interest. A practical synthetic strategy is presented to access ten-membered lactam peptide mimetics... Practical One-Pot Synthesis of Protected L-Glyceraldehyde Derivatives [作者：STECKO SEBASTIAN; MICHALAK MICHAL; STODULSKI MACIEJ; MUCHA LUKASZ; PARDA KAMIL; FURMAN BARTLOMIEJ; CHMIELEWSKI MAREK,期刊：Synthesis, 页码：2695-2698 , 文章类型： Article，,卷期：2012年44-17] A large-scale, simple, economic, and safe procedure for the preparation of L-glyceraldehyde acetonide under conditions, which allow its direct transformation (one-pot) into the desired products (acetylene, imine, nitrone... N-Heterocyclic Carbene Catalyzed One-Pot Synthesis of 2,3-Diarylquinoxalines [作者：LIN YANG; LEI XIAOLI; YANG QIN; YUAN JIANGJUN; DING QIUPING; XU JINGSHI; PENG YIYUAN,期刊：Synthesis, 页码：2699-2706 , 文章类型： Article，,卷期：2012年44-17] A one-pot efficient and facile protocol for the direct synthesis of quinoxaline derivatives via tandem N-heterocyclic carbene (NHC)-catalyzed umpolung of aldehydes/oxidation of the benzoins to benzils/condensation of ben... Benzyl-Type Cation Initiated Nucleophilic Substitution on Furan and Thiophene by Using alpha-EWG Ketene S,S-Acetals as Nucleophiles [作者：SUN SHAOGUANG; LIU JUN; LIU QUN; WANG MANG,期刊：Synthesis, 页码：2707-2712 , 文章类型： Article，,卷期：2012年44-17] An efficient method for introducing nucleophiles on furan and thiophene has been established via the in situ formation of benzyl-type carbocation, delocalization of the carbocation on heterocyclic ring, and nucleophilic ... Synthesis of C1-Substituted Oxabenzonorbornadienes [作者：HANER JAMIE; JACK KELSEY; MENARD MICHELLE L; HOWELL JENNIFER; NAGIREDDY JAIPAL; RAHEEM MOHAMMED ABDUL; TAM WILLIAM,期刊：Synthesis, 页码：2713-2722 , 文章类型： Article，,卷期：2012年44-17] Oxabenzonorbornadienes are valuable synthetic intermediates because they can serve as a general template with which to create highly substituted ring systems. However, to date, only very few C1-substituted oxabenzonorbor... S-Allyl Thiocarbamates from Allylic Alcohols by in situ [3,3]-Sigmatropic Rearrangement of a Thiocarbonyldiimidazole Adduct [作者：MINGAT GAELLE; CLAYDEN JONATHAN,期刊：Synthesis, 页码：2723-2734 , 文章类型： Article，,卷期：2012年44-17] Treatment of allylic alcohols with thiocarbonyldiimidazole generates an unstable O-allyl imidazolyl thione ester, which rearranges spontaneously and in high yield to the corresponding S-allyl imidazolyl thiol ester. Disp... Synthesis of Protected 4-Amino- and 4-Azido-3-hydroxy-L-prolines from D-Glucose [作者：KASTURE VIJAY M; KALAMKAR NAVNATH B; DHAVALE DILIP D,期刊：Synthesis, 页码：2735-2738 , 文章类型： Article，,卷期：2012年44-17] Differentially protected 4-azido- or 4-amino-3-hydroxy-L-prolines were synthesized in good overall yields (21-31%) from D-glucose. The synthetic strategy involved conversion of D-glucose into 3-[(benzyloxycarbonyl)amino]... An Improved Synthesis of 2-, 3-, and 4-(Trifluoromethyl)cyclohexylamines [作者：ALEKSEENKO ANATOLIY N; DENIS KLUKOVSKY; LUKIN OLEG; MYKHAILIUK PAVEL K; SHISHKIN OLEG V; PUSTOVIT YURII M,期刊：Synthesis, 页码：2739-2742 , 文章类型： Article，,卷期：2012年44-17] An improved synthesis of 2-, 3-, and 4-trifluoromethyl-cyclohexylamines on a multigram scale via PtO2-mediated hydrogenation of the corresponding trifluoromethylanilines in trifluoroacetic acid at room temperature under ... Synthetic Studies toward Ecteinascidin 743 (Trabectedin) [作者：IMAI TAKAHIRO; NAKATA HIYOKU; YOKOSHIMA SATOSHI; FUKUYAMA TOHRU,期刊：Synthesis, 页码：2743-2753 , 文章类型： Article，,卷期：2012年44-17] An alternative synthetic route to an intermediate in the synthesis of ecteinascidin 743 has been established by using a Pictet-Spengler reaction and a Friedel-Crafts type reaction. Palladium-Catalyzed Intermolecular Domino Reaction of gem-Dibromoenynes with Anilines; A One-Pot Synthesis of Quinolines and Quinolinones [作者：MENG TIANHAO; ZHANG WENXIONG; ZHANG HUIJUN; LIANG YUN; XI ZHENFENG,期刊：Synthesis, 页码：2754-2762 , 文章类型： Article，,卷期：2012年44-17] An efficient domino process involving palladium-catalyzed amination of an alkenyl bromide, 1,5-H transfer, annulation via 6-exo-dig electrophilic cyclization, and palladium-catalyzed etherification, is described. This re... Samarium Diiodide Promoted Tandem beta-Elimination and Cross-Pinacol Coupling: A New Access to 1-Vinyl-1,2-diols with Two Adjacent Quaternary Carbon Centers [作者：ZHAO YUNHUI; MA RULIN; SUN XINGWEN; LIN GUOQIANG,期刊：Synthesis, 页码：2763-2769 , 文章类型： Article，,卷期：2012年44-17] A samarium diiodide promoted tandem beta-elimination/cross-pinacol coupling was developed. A series of novel 1-vinyl-1,2-diols with two adjacent quaternary carbon centers were obtained in moderate to good yields. Possibl... Investigation of an Acrylate Lynchpin Approach toward the Synthesis of Stolonidiol [作者：BARTON THOMAS; SIEGEL DIONICIO,期刊：Synthesis, 页码：2770-2778 , 文章类型： Article，,卷期：2012年44-17] An acrylate lynchpin approach toward the synthesis of stolonidiol has been investigated. To access the key macrocyclization precursor we adapted the silylcupration reaction of alkynes, facilitating attack of the intermed... A Synthesis of the Pseudopterosin A-F Aglycone [作者：COOKSEY JOHN P; KOCIENSKI PHILIP J; SCHMIDT ARNDT W; SNADDON THOMAS N; KILNER COLIN A,期刊：Synthesis, 页码：2779-2785 , 文章类型： Article，,卷期：2012年44-17] The synthesis of the pseudopterosin A-F aglycone from 3-methylcatechol features (a) the use of asymmetric Ireland-Claisen and aryl Claisen rearrangements to install three of the four stereocentres present in the molecule... Chemoselective Reactions of Secondary Phosphine Chalcogenides with Vinyloxyalkylamines: Synthesis of a Novel Family of Functional Phosphinochalcogenoic Amides [作者：GUSAROVA NINA K; VOLKOV PAVEL A; IVANOVA NINA I; OPARINA LUDMILA A; KOLYVANOV NIKITA A; VYSOTSKAYA OKSANA V; LARINA LUDMILA I; TROFIMOV BORIS A,期刊：Synthesis, 页码：2786-2792 , 文章类型： Article，,卷期：2012年44-17] The reactions of secondary phosphine chalcogenides with vinyloxyalkylamines proceed chemoselectively in triethylamine-carbon tetrachloride under mild conditions to give the corresponding phosphinochalcogenoic amides bear...