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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25条记录   Hydrogenation of beta-N-Substituted and beta-N,N-Disubstituted Enamino Esters in the Presence of Iridium(I) Catalyst [作者：HEBBACHE HANIA; HANK ZAKIA; BRUNEAU CHRISTIAN; RENAUD JEANLUC,期刊：Synthesis, 页码：2627-2633 , 文章类型： Article，,卷期：2009年-15] Several new beta-amino esters were prepared in two simple steps from beta-keto ester derivatives and primary and secondary amines under mild conditions. The hydrogenation of various enamino esters was performed at 50 deg... Stereoselective Olefination Reactions Promoted by Rieke Manganese [作者：CONCELLON JOSE M; RODRIGUEZSOLLA HUMBERTO; DEL AMO VICENTE; DIAZ PAMELA,期刊：Synthesis, 页码：2634-2645 , 文章类型： Article，,卷期：2009年-15] A study of the advantages of using manganese, an inexpensive and nontoxic metal, to perform stereoselective beta-elimination reactions and to promote sequential olefination reactions of aldehydes to obtain alpha,beta-uns... Aryl Ring Migration Reaction in the Synthesis of 2,4-Diaryl-4H-3,1-benzothiazines [作者：BUTIN ALEXANDER V; TSIUNCHIK FATIMA A; ABAEV VLADIMIR T; GUTNOV ANDREY V; CHESHKOV DMITRY A,期刊：Synthesis, 页码：2616-2626 , 文章类型： Article，,卷期：2009年-15] A new rearrangement of 1-(diarylmethyl)-2-isothiocyanatobenzenes into 2,4-diaryl-4H-3,1-benzothiazine derivatives is described. Treatment of the starting compounds with aluminum trichloride under Friedel-Crafts condition... Synthesis of Piperidinones through a Radical Cascade [作者：GODINEAU EDOUARD; LANDAIS YANNICK,期刊：Synthesis, 页码：2646-2649 , 文章类型： Article，,卷期：2009年-15] Fused piperidinones were assembled from chiral allylsilanes possessing an oxime moiety using a stereocontrolled formal [2+2+2] radical-ionic process. The cascade involves the addition of an alpha-iodo ester to an ene oxi... Advances in Synthetic Approaches for the Preparation of Combretastatin-Based Anti-Cancer Agents [作者：SINGH ROHIT; KAUR HARNEET,期刊：Synthesis, 页码：2471-2491 , 文章类型： Review，,卷期：2009年-15] The natural product combretastatin A-4 (CA4) is a potent anti-cancer agent known for its antimitotic and antiangiogenic properties. The basic structure of CA4 has inspired the design and synthesis of a variety of medicin... Synthesis of Unsymmetrical Ureas by Sulfur-Assisted Carbonylation with Carbon Monoxide and Oxidation with Molecular Oxygen under Mild Conditions [作者：MIZUNO TAKUMI; NAKAI TAKEO; MIHARA MASATOSHI,期刊：Synthesis, 页码：2492-2496 , 文章类型： Article，,卷期：2009年-15] With ambient pressure of carbon monoxide and oxygen at room temperature, N,N-dialkyl-N'-arylureas were selectively accessible from secondary amines, aromatic amines, and sulfur in good to excellent yields. For example, N... Ring-Opening/Recyclization Reactions of (Dimethylamino)propenoyl-Substituted Cyclopropanes: Facile Synthesis of Halogenated Pyridin-2(1H)-ones [作者：ZHANG RUI; ZHOU YANG; LIANG YONGJIU; JIANG ZIJIANG; DONG DEWEN,期刊：Synthesis, 页码：2497-2500 , 文章类型： Article，,卷期：2009年-15] A facile and efficient synthesis Of Substituted pyridin-2(1H)-ones has been developed by the reaction of readily available 1-carbamoyl-]-[3-(dimethylamino)propenoyl]cyclopropanes with phosphoryl chloride or phosphorus tr... Cu-Al Hydrotalcite: An Efficient and Reusable Ligand-Free Catalyst for the Coupling of Aryl Chlorides with Aliphatic, Aromatic, and N(H)-Heterocyclic Amines [作者：SREEDHAR B; ARUNDHATHI R; REDDY P LINGA; REDDY M AMARNATH; KANTAM M LAKSHMI,期刊：Synthesis, 页码：2517-2522 , 文章类型： Article，,卷期：2009年-15] Copper-aluminum hydrotalcite catalysts were effectively used in the coupling of aryl chlorides with aliphatic, aromatic, and N(H)-heterocyclic amines to afford the corresponding N-alkylated/arylated amines in excellent y... Facile and Efficient Total Synthesis of Taspine [作者：CHENG BIN; ZHANG SANQI; ZHU LIYONG; ZHANG JIE; LI QIANG; SHAN AILIN; HE LANGCHONG,期刊：Synthesis, 页码：2501-2504 , 文章类型： Article，,卷期：2009年-15] The facile and efficient total synthesis of taspine was achieved in 10 steps in high yield (16.5% overall) from commercially available isovanillin. Key steps in the synthesis are preparation of a symmetrical homodimer em... Oligomeric Iodosylbenzene Sulfate: A Convenient Hypervalent Iodine Reagent for Oxidation of Organic Sulfides and Alkenes [作者：YUSUBOV MEHMAN S; YUSUBOVA ROSA Y; FUNK TATYANA V; CHI KIWHAN; ZHDANKIN VIKTOR V,期刊：Synthesis, 页码：2505-2508 , 文章类型： Article，,卷期：2009年-15] Oligomeric iodosylbenzene Sulfate, (PhIO)(3)center dot SO3, which can be formally considered as a partially depolymerized activated iodosylbenzene, is a readily available, stable, and water-soluble hypervalent iodine rea... Pyrrolidine-Based Organocatalysts for Enantioselective Michael Addition of Cyclohexanone to trans-beta-Nitrostyrene [作者：CARLEY ALLISON P; DIXON SALLY; KILBURN JEREMY D,期刊：Synthesis, 页码：2509-2516 , 文章类型： Article，,卷期：2009年-15] A series of readily prepared bifunctional catalysts promote the Michael addition of cyclohexanone to trans-beta-nitrostyrene with excellent asymmetric induction. The enantioselection (up to 97%) and diastereoselection (u... Highly Efficient Synthesis of trans-beta,gamma-Unsaturated alpha-Keto Amides [作者：ALLAIS CHRISTOPHE; CONSTANTIEUX THIERRY; RODRIGUEZ JEAN,期刊：Synthesis, 页码：2523-2530 , 文章类型： Article，,卷期：2009年-15] A highly efficient, metal-free, and selective access to trans-beta,gamma-unsaturated alpha-keto amides is described via peptidic coupling, involving easy to prepare trans-beta,gamma-unsaturated alpha-keto acids and comme... Gas-Phase Synthesis of N-Unsubstituted 3-Hydroxypyrroles and 1H-Pyrrol-3(2H)-ones [作者：HILL LAWRENCE; HUNTER GORDON A; IMAM S HAIDER; MCNAB HAMISH; ONEILL WILLIAM J,期刊：Synthesis, 页码：2531-2534 , 文章类型： Article，,卷期：2009年-15] Flash vacuum pyrolysis (FVP) at 600 degrees C of methylaminomethylene derivatives of Meldrum's acid bearing electron-withdrawing substituents on the methyl group, provides N-unsubstituted 3-hydroxypyrroles and/or 1H-pyrr... 1,2,3-Thiadiazoles with Unsaturated Side Chains; Synthesis, Polymerization, and Photocrosslinking [作者：ALSMADI MOUSA; HANOLD NORBERT; KALBITZ HELGA; MEIER HERBERT,期刊：Synthesis, 页码：2539-2546 , 文章类型： Article，,卷期：2009年-15] 1,2,3-Thiadiazoles with polymerizable functionalities in the 4-position were synthesized as potential negative photoresists. The polymerization to soluble, film-forming materials must leave the heterocyclic rings intact,... Synthesis of 11,12-Didehydrodibenzo[a,e]cycloocten-5(6H)-one: A Strained Eight-Membered Alkyne [作者：KORNMAYER STEFAN C; ROMINGER FRANK; GLEITER ROLF,期刊：Synthesis, 页码：2547-2552 , 文章类型： Article，,卷期：2009年-15] An eight-step synthesis of 11,12-didehydrodibenzo[a,e]cycloocten-5(6H)-one (10) was developed. The structure of 10 was assigned by spectroscopic means and confirmed by X-ray analysis of its 2,4-dinitrophenylhydrazone der... 3-Hydroxy-1H-pyrrole [作者：HILL LAWRENCE; IMAM S HAIDER; MCNAB HAMISH; ONEILL WILLIAM J,期刊：Synthesis, 页码：2535-2538 , 文章类型： Article，,卷期：2009年-15] Flash vacuum pyrolysis (FVP) of tert-butyl {[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl]amino}acetate at 600 degrees C gives the unstable 3-hydroxy-1H-pyrrole in ca. 55% yield as the only significant product. It...