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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22条记录   Syntheses of Galbulimima Alkaloids [作者：RINNER UWE; LENTSCH CHRISTOPH; AICHINGER CHRISTIAN,期刊：Synthesis, 页码：3763-3784 , 文章类型： Review，,卷期：2010年-22] The bark of the rain forest tree Galbulimima belgraveana has been identified as a rich source of fascinating natural products and so far 28 unique alkaloids have been isolated. The chemical interest in Galbulimima alkalo... Highly Practical BINOL-Derived Acid-Base Combined Salt Catalysts for the Asymmetric Direct Mannich-Type Reaction [作者：HATANO MANABU; ISHIHARA KAZUAKI,期刊：Synthesis, 页码：3785-3801 , 文章类型： Article，,卷期：2010年-22] The catalytic asymmetric direct Mannich-type reaction between aldimines and 1,3-dicarbonyl compounds is one of the most important carbon-carbon bond-forming reactions in organic chemistry. The resulting Mannich adducts c... Direct Addition of Functionalized Organozinc Reagents to Carbon Dioxide, Ketones, and Aldehydes in the Presence of MgCl2 [作者：BERNHARDT SEBASTIAN; METZGER ALBRECHT; KNOCHEL PAUL,期刊：Synthesis, 页码：3802-3810 , 文章类型： Article，,卷期：2010年-22] A variety of functionalized organozinc reagents undergo smooth addition reactions at ambient temperature to carbon dioxide, ketones, and aldehydes in the presence of stoichiometric amounts of MgCl2. Several reactions wer... 2-Benzothiazolyl Propargyl Sulfides: Versatile Precursors for Enantiopure Allenes, E-alpha, beta-Unsaturated Ketones and Z-Sulfonylalkenes [作者：KAPELLER DAGMAR C; KOCIENSKI PHILIP J,期刊：Synthesis, 页码：3811-3821 , 文章类型： Article，,卷期：2010年-22] A novel, stereospecific route to allenes is described. The approach proceeds via a retro-ene reaction, initiated by lithium aluminium hydride mediated cleavage of benzothiazole from the respective (chiral) 2-benzothiazol... Regioselective FeCl3-Promoted Biomimetic Synthesis of Dimeric Isorhapontigenin [作者：LI WENLING; LUO YALING; LI HONGFU; ZANG PENG; HAN XIAOQIAN,期刊：Synthesis, 页码：3822-3826 , 文章类型： Article，,卷期：2010年-22] An efficient approach to the preparation of natural (+/-)-gneafricanin F and the first synthesis of (+/-)-gnemonol M were developed. The regioselective, oxidative coupling of 5-tert-butyl-isorhapontigenin catalyzed by Fe... A New Protocol for Selective Cleavage of Acyl Protecting Groups in 2 '-O-Modified 3 ',5 '-O-(Tetraisopropyldisiloxane-1,3-diyl)ribonucleosides [作者：DRENICHEV M S; KULIKOVA I V; BOBKOV G V; TARAROV V I; MIKHAILOV S N,期刊：Synthesis, 页码：3827-3834 , 文章类型： Article，,卷期：2010年-22] The stability of tetraisopropyldisiloxane-1,3-diyl (TIPDS) protection in nucleosides in ammonia/amine solutions in methanol and ethanol was studied. In ammonia-methanol at ambient temperature significant partial cleavage... Facile and Efficient Synthesis of 4-Alkyl Derivatives of 3-Carbamoyl- and 3,5-Dicarbamoylpyridines as Nicotinamide Mimetics [作者：DI RIENZO BARBARA; MELLINI PAOLO; TORTORELLA SILVANO; DE VITA DANIELA; SCIPIONE LUIGI,期刊：Synthesis, 页码：3835-3838 , 文章类型： Article，,卷期：2010年-22] Nicotinamide plays a key role in many biological processes and, as a consequence, its derivatives could be attractive for the synthesis of biologically active compounds. Here a rapid and efficient way of preparing alkyl ... Synthesis and Evaluation of Biological Activity of the Quaternary Ammonium Salts of Lupane-, Oleanane-, and Ursane-Type Acids [作者：BIEDERMANN DAVID; EIGNEROVA BARBARA; HAJDUCH MARIAN; SAREK JAN,期刊：Synthesis, 页码：3839-3848 , 文章类型： Article，,卷期：2010年-22] The anticancer properties of the derivatives of natural pentacyclic triterpenoids have received much attention recently. Here we present the preparation and the evaluation of the anticancer activity of a novel group of d... A Versatile Synthesis of 3-Substituted 4-Cyano-1,2,3,4-tetrahydro-1-oxo-beta-carbolines [作者：HUBER KILIAN; KAST OLIVER; BRACHER FRANZ,期刊：Synthesis, 页码：3849-3854 , 文章类型： Article，,卷期：2010年-22] In a project aimed at the synthesis of analogues of the cytotoxic beta-carboline alkaloid bauerine C with more advantageous solubility properties, a 3-amino analogue was prepared by treating ethyl 3-(cyanomethyl)indole-2... 3-Alkoxy-2,5-dihydrofurans by Gold-Catalyzed Allenyl Cyclizations and Their Transformation into 1,4-Dicarbonyl Compounds, Cyclopentenones, and Butenolides [作者：BRASHOLZ MALTE; DUGOVIC BRANISLAV; REISSIG HANSULRICH,期刊：Synthesis, 页码：3855-3864 , 文章类型： Article，,卷期：2010年-22] The addition of lithiated alkoxyallenes to carbonyl compounds furnishes allenyl alcohols, which undergo a highly efficient and chemoselective 5-endo-trig cyclization to 3-alkoxy-2,5-dihydrofurans catalyzed by gold(I) chl... Simple Synthesis of N-Aryl-2-nitrosoanilines in the Reaction of Nitroarenes with Aniline Anion Derivatives [作者：WROBEL ZBIGNIEW; KWAST ANDRZEJ,期刊：Synthesis, 页码：3865-3872 , 文章类型： Article，,卷期：2010年-22] Anions generated from primary arylamines react with substituted nitrobenzenes to form sigma(H)-adducts, which, under basic reaction conditions, undergo transformation to N-aryl-2-nitroso-amines. Competitive substitution ... Synthesis of 3-Substituted Derivatives of 2,2,6,6-Tetramethylpiperidine-N- alkoxyamine Ethers: Novel Alkoxyamine Building Blocks [作者：FISCHER WALTER; BASBAS ABDELILAH; SCHOENING KAIUWE; HAUCK STEFAN,期刊：Synthesis, 页码：3873-3878 , 文章类型： Article，,卷期：2010年-22] The Michael addition of 4-oxo-TMP-alkoxyamine-derived Schiff bases to acrylates provides a convenient way to obtain a variety of novel and versatile alkoxyamine building blocks. Regiospecific Azidoiodination of Alkenes with Sodium Periodate, Potassium Iodide, and Sodium Azide: A High-Yield Synthesis of beta-Iodoazides [作者：CHOUTHAIWALE PANDURANG V; KARABAL PRATIBHA U; SURYAVANSHI GURUNATH; SUDALAI ARUMUGAM,期刊：Synthesis, 页码：3879-3882 , 文章类型： Article，,卷期：2010年-22] The combination of sodium periodate, potassium iodide, and sodium azide has been found to be an efficient, simple, and inexpensive reagent system for azidoiodination of alkenes. The regiospecific 1,2-azidoiodination proc... Synthesis of Enantiomerically Pure 2,5-Disubstituted 3-Oxygenated Tetrahydrofurans [作者：ALVAREZ CARLA; PEREZ MANUEL; ZUNIGA ANDREA; GOMEZ GENEROSA; FALL YAGAMARE,期刊：Synthesis, 页码：3883-3890 , 文章类型： Article，,卷期：2010年-22] The synthesis of enantiomerically pure 2,5-disubstituted 3-oxygenated tetrahydrofurans has been achieved from cheap and commercially available L-malic acid. This method was used to prepare an advanced intermediate toward... Convergent Synthesis of Passifloricin A via a Prins Cyclisation and Olefin Cross-Metathesis Approach [作者：SABITHA GOWRAVARAM; PRASAD MUDDALA NAGENDRA; SHANKARAIAH KONATHAM; REDDY NANDYALA MALLIKARJUNA; YADAV JHILLU SINGH,期刊：Synthesis, 页码：3891-3898 , 文章类型： Article，,卷期：2010年-22] A stereoselective and convergent approach to the total synthesis of the natural product passifloricin A is illustrated using Prins cyclisation and metathesis reactions as key steps. Lewis Acid Catalyzed One-Pot Selective Synthesis of Aminobenzofurans and N-Alkyl-2-aryl-2-(arylimino) acetamides: Product Dependence on the Nature of the Aniline [作者：MITRA SUDIPTA; HOTA SANDIP K; CHATTOPADHYAY PARTHA,期刊：Synthesis, 页码：3899-3905 , 文章类型： Article，,卷期：2010年-22] An efficient one-pot reaction between isocyanides, anilines, and salicylaldehydes (2-hydroxybenzaldehydes) in the presence of a Lewis acid proceeds smoothly at room temperature within a short time interval to afford amin...