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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   Asymmetric Synthesis of Pipecolic Acid and Derivatives [作者：CANT ALASTAIR A; SUTHERLAND ANDREW,期刊：Synthesis, 页码：1935-1950 , 文章类型： Review，,卷期：2012年44-13] The nonproteinogenic alpha-amino acid, L-pipecolic acid and its derivatives are components of a wide range of pharmacologically active compounds. The significant biological activity of these compounds has resulted in the... Syntheses of Isoxazoline-Based Amino Acids by Cycloaddition of Nitrile Oxides and Their Conversion into Highly Functionalized Bioactive Amino Acid Derivatives [作者：KISS LORAND; NONN MELINDA; FUELOEP FERENC,期刊：Synthesis, 页码：1951-1963 , 文章类型： Review，,卷期：2012年44-13] The present account illustrates the syntheses of isoxazoline-based amino acids by the cycloaddition of 1,3-dipolar nitrile oxides to the C-C double bond of unsaturated amino acid derivatives, with focus on the regio- and... Investigation of the Origins of Regiochemical Control in [4+2] Cycloadditions of 2-Pyrones and Alkynylboronates [作者：KIRKHAM JAMES D; LEACH ANDREW G; ROW ELEANOR C; HARRITY JOSEPH P A,期刊：Synthesis, 页码：1964-1973 , 文章类型： Article，,卷期：2012年44-13] The [4+2] cycloaddition of 2-pyrones with substituted alkynylboronates has been studied. In general, the highest yielding cycloadditions were obtained in reactions that employed a trimethylsilyl-substituted alkynylborona... A Facile Synthesis of Isomeric C-(2,2,2-Trifluoroethyl)anilines [作者：TROFYMCHUK SERGII; BEZDUDNY ANDRII V; PUSTOVIT YURII M; LUKIN OLEG; BOYKO ALEXANDER N; CHEKOTYLO ALEXEY; TOLMACHEV ANDREI A; MYKHAILIUK PAVEL K,期刊：Synthesis, 页码：1974-1976 , 文章类型： Article，,卷期：2012年44-13] Three isomers of C-(2,2,2-trifluoroethyl) aniline were prepared on a multigram scale from readily available nitrophenylacetic acids in two steps. First, the carboxy groups of the latter were converted into the trifluorom... S-Benzyl Isothiouronium Chloride as a Recoverable Organocatalyst for the Direct Reductive Amination of Ketones with Hantzsch Ester [作者：QUYNH PHAM BAO NGUYEN; KIM TAEK HYEON,期刊：Synthesis, 页码：1977-1982 , 文章类型： Article，,卷期：2012年44-13] The direct reductive amination of ketones using the Hantzsch ester in the presence of S-benzyl isothiouronium chloride as a recoverable organocatalyst is reported. A wide range of ketones as well as amines were found to ... Diastereocontrol in the Synthesis of 2,3,4-Trisubstituted Pyrrolidines and Tetrahydrofurans via a Palladium(II)-Catalyzed Three-Component Coupling Reaction [作者：RAIKAR SANDEEP; PAL BENOY KUMAR; MALINAKOVA HELENA C,期刊：Synthesis, 页码：1983-1992 , 文章类型： Article，,卷期：2012年44-13] The synthesis of trisubstituted pyrrolidines and tetrahydrofurans from boronic acids, allenes, and imines or aldehydes via a five- and a three-step protocol, respectively, is described. The assignment of the relative ste... Synthesis of Cyanoacetyl Oxazolidinones [作者：WEEBER KAITLYN M; SCHWARZ JACOB B,期刊：Synthesis, 页码：1993-1996 , 文章类型： Article，,卷期：2012年44-13] Carefully controlled displacement of chiral chloroacetyl imides with cyanide afforded previously unreported cyanoacetimides in good overall yield. Knoevenagel condensation of the cyanoacetimides to furnish acrylonitriles... Synthesis of [(Arylselanyl)alkyl]-1,2,3-triazoles by Copper-Catalyzed 1,3-Dipolar Cycloaddition of (Arylselanyl)alkynes with Benzyl Azides [作者：SARAIVA MAIARA T; SEUS NATALIA; DE SOUZA DIEGO; RODRIGUES OSCAR E D; PAIXAO MARCIO W; JACOB RAQUEL G; LENARDAO EDER J; PERIN GELSON; ALVES DIEGO,期刊：Synthesis, 页码：1997-2004 , 文章类型： Article，,卷期：2012年44-13] In the presence of catalytic amounts of copper salts and sodium ascorbate, various (arylselanyl)alkynes underwent click-type 1,3-dipolar cycloaddition reactions with a range of benzyl azides bearing electron-withdrawing ... Fluorescence Labeling of Amino Acids and Peptides with 7-Aminocoumarins [作者：WIRTZ LISA; AUERBACH DAGMAR; JUNG GREGOR; KAZMAIER ULI,期刊：Synthesis, 页码：2005-2012 , 文章类型： Article，,卷期：2012年44-13] Pechmann condensation is a straightforward protocol for the synthesis of alkynyl- and azido-substituted 7-(dialkylamino)coumarins, which can be coupled to amino acid and peptide derivatives by copper-catalyzed [3+2]-cycl... Lithiation and Substitution of N '-(omega-Phenylalkyl)-N,N-dimethylureas [作者：SMITH KEITH; ELHITI GAMAL A; ALSHAMMARI MOHAMMED B,期刊：Synthesis, 页码：2013-2022 , 文章类型： Article，,卷期：2012年44-13] Lithiation of N'-phenethyl-N,N-dimethylurea with three equivalents of tert-butyllithium in anhydrous tetrahydrofuran at -78 degrees C takes place on the nitrogen and on the side-chain of the CH2 next to the phenyl ring (... Efficient Synthesis of Substituted Styrenes and Biaryls (or Heteroaryls) with Regioselective Reactions of ortho-, meta-, and para-Bromobenzyl Bromide [作者：ANSELMI ELSA; ABARBRI MOHAMED; DUCHENE ALAIN; LANGLELAMANDE SANDRINE; THIBONNET JEROME,期刊：Synthesis, 页码：2023-2040 , 文章类型： Article，,卷期：2012年44-13] Regio-and stereoselective reactions of ortho-, meta-, and para-bromobenzyl bromide under Stille and (or) Suzuki cross-coupling reactions are described that provided substituted styrene monomers and biaryls in two steps. ... A Convenient Synthesis of (1H-Azol-1-yl)piperidines [作者：SHEVCHUK NADIIA V; LIUBCHAK KOSTIANTYN; NAZARENKO KOSTIANTYN G; YURCHENKO ALEKSANDR A; VOLOCHNYUK DMITRIY M; GRYGORENKO OLEKSANDR O; TOLMACHEV ANDREY A,期刊：Synthesis, 页码：2041-2048 , 文章类型： Article，,卷期：2012年44-13] A convenient preparation of 3- and 4-(1H-azol-1-yl)piperidines by arylation of azoles (i.e., pyrazoles, imidazoles, and triazoles) with 3- and 4-bromopyridines and subsequent reduction of the pyridine ring was developed.... Gold-Catalyzed Skeletal Rearrangement of 1-[2-(1H-Isochromen-3-yl)aryl]ethanones with Alcohols [作者：WEI WENTING; XIE PENG; XIA JIADONG; XIE YEXIANG; SONG RENJIE; XIANG JIANNAN; LI JINHENG,期刊：Synthesis, 页码：2049-2057 , 文章类型： Article，,卷期：2012年44-13] A novel gold-catalyzed skeletal rearrangement of 1-[2-(1H-isochromen-3-yl)aryl]ethanones with alcohols to construct a five-membered carbocycle ring onto aromatic systems has been developed. This method serves as the firs... Efficient Procedure for High-Yield Synthesis of 4-Substituted 3,5-Dinitropyrazoles Using 4-Chloro-3,5-dinitropyrazole [作者：DALINGER IGOR L; VATSADZE IRINA A; SHKINEVA TATYANA K; POPOVA GALINA P; SHEVELEV SVYATOSLAV A,期刊：Synthesis, 页码：2058-2064 , 文章类型： Article，,卷期：2012年44-13] The transformations of readily available 4-chloro-3,5-dinitropyrazole and its N-methylated derivative under the action of anionic S-/O-nucleophiles and neutral N-nucleophiles were studied. Independent of the substrate's ... DDQ/TBHP-Induced Oxidative Cyclization Process: A Metal-Free Approach for the Synthesis of 2-Phenylquinazolines [作者：RACHAKONDA SRIDHAR; PRATAP P SURYA; RAO MANDAVA V BASAVESWARA,期刊：Synthesis, 页码：2065-2069 , 文章类型： Article，,卷期：2012年44-13] Various 2-phenylquinazoline derivatives were synthesized under metal-free conditions from readily available 2-aminophenyl ketones and benzylamines via condensation and oxidative cyclization using 2,3-dichloro-5,6-dicyano... Debenzylation of Functionalized 4-and 5-Substituted 1,2,3-Triazoles [作者：FAROOQ TAHIR; SYDNES LEIV K; TORNROOS KARL W; HAUG BENGT ERIK,期刊：Synthesis, 页码：2070-2078 , 文章类型： Article，,卷期：2012年44-13] A range of 4- and 5-substituted N-benzyl-1,2,3-triazoles have been submitted to debenzylation using Pd/C and hydrogen in the presence of 1,1,2-trichloroethane. Triazoles with oxygen-containing substituents are efficientl...