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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80条记录   Synthesis of Sulfonamide-Bridged Glycomimetics [作者：LOPEZ MARIE; BORNAGHI LAURENT F; DRIGUEZ HUGUES; POULSEN SALLYANN,期刊：Journal of Organic Chemistry, 页码：2965-2975 , 文章类型： Article，,卷期：2011年76-9] A flexible and short synthesis of sulfonamide-bridged di-, tri-, tetra-, and octasaccharide glycomimetics was accomplished by reaction of glycosyl thioacetates with amino sugar substrates. The chemistry to incorporate th... Detection of Explosives via Photolytic Cleavage of Nitroesters and Nitramines [作者：ANDREW TRISHA L; SWAGER TIMOTHY M,期刊：Journal of Organic Chemistry, 页码：2976-2993 , 文章类型： Article，,卷期：2011年76-9] The nitramine-containing explosive RDX and the nitroester-containing explosive PETN are shown to be susceptible to photofragmentation upon exposure to sunlight. Model compounds containing nitroester and nitramine moietie... An Effective Method To Prepare Imines from Aldehyde, Bromide/Epoxide, and Aqueous Ammonia [作者：HUANG JINGMEI; ZHANG JUEFEI; DONG YI; GONG WEN,期刊：Journal of Organic Chemistry, 页码：3511-3514 , 文章类型： Article，,卷期：2011年76-9] A three-component reaction of aldehydes, alkyl bromides, and ammonia to form imines was studied. Aqueous ammonia was applied as the nitrogen source and solvent in the reaction. For the aromatic aldehyde, the product yiel... Direct Displacement of Alkoxy Groups of Vinylogous Esters by Grignard Reagents [作者：BROCKWAY ANTHONY J; GONZALEZLOPEZ MARCOS; FETTINGER JAMES C; SHAW JARED T,期刊：Journal of Organic Chemistry, 页码：3515-3518 , 文章类型： Article，,卷期：2011年76-9] The direct displacement of alkoxy groups from the beta position of aromatic and unsaturated esters and ketones is described. The reaction is chemo- and regioselective, displaying wide substrate scope. A Silver-Mediated One-Step Synthesis of Oxazoles [作者：RITSON DOUGAL J; SPITERI CHRISTIAN; MOSES JOHN E,期刊：Journal of Organic Chemistry, 页码：3519-3522 , 文章类型： Article，,卷期：2011年76-9] A silver-mediated one-step procedure to 2,,4-disubstituted and 2,4,5-trisubstituted oxazoles has been developed. The method is complementary to existing technologies, yet provides advantages with regard to simplicity, ef... Synthesis of N-(2-Pyridyl)indoles via Pd(II)-Catalyzed Oxidative Coupling [作者：CHEN JINLEI; PANG QINGYU; SUN YANBO; LI XINGWEI,期刊：Journal of Organic Chemistry, 页码：3523-3526 , 文章类型： Article，,卷期：2011年76-9] Readily available Pd(II) chloride catalysts can catalyze selective and efficient oxidative coupling between N-aryl-2-aminopyridines and internal alkynes to yield N-(2-pyridyl)indoles. This process involves the ortho C-H ... Synthesis of Fused Bicyclic Systems with Nitrogen Atom at the Bridgehead, Including Indolizidines and Quinolizidines [作者：PEPE ANTONELLA; PAMMENT MICHAEL; GEORG GUNDA I; MALHOTRA SANJAY V,期刊：Journal of Organic Chemistry, 页码：3527-3530 , 文章类型： Article，,卷期：2011年76-9] Monocyclic as well as fused bicyclic systems with a nitrogen 10 atom at the bridgehead, including indolizidines and quinolizidines, can be prepared in four steps from N-Boc beta-lactams. These easily prepared, highly rob... Hydrogen Bonding-Directed Quantitative Self-Assembly of Cyclotriveratrylene Capsules and Their Encapsulation of C-60 and C-70 [作者：WANG LU; WANG GUITAO; ZHAO XIN; JIANG XIKUI; LI ZHANTING,期刊：Journal of Organic Chemistry, 页码：3531-3535 , 文章类型： Article，,卷期：2011年76-9] Under the direction of intramolecular three-center hydrogen bonding, two cyclotriveratrylene (CTV)-based capsules are assembled quantitatively from C-3-symmetric CTV precursors by forming three imine bonds from arylamide... Palladium-Catalyzed Three-Component Transformation of Homoallenols: A Regio- and Stereoselective Route to 1,5-Amino Alcohols [作者：AYLWARD MIRIAM; COEFFARD VINCENT; GUIRY PATRICK J,期刊：Journal of Organic Chemistry, 页码：3536-3538 , 文章类型： Article，,卷期：2011年76-9] A palladium-catalyzed three-component transformation of enantioenriched homoallenols with aryl halides and amines has been developed to selectively afford (Z)-configured 1,5-amino alcohols in good-to-excellent yields wit... Backbone Modification of beta-Hairpin-Forming Tetrapeptides in Asymmetric Acyl Transfer Reactions [作者：CHEN PENG; QU JIN,期刊：Journal of Organic Chemistry, 页码：2994-3004 , 文章类型： Article，,卷期：2011年76-9] Synthetic oligopeptides as mimics of enzymes have been increasingly exploited as catalysts for asymmetric reactions, but highly effective oligopeptide catalysts with relatively low molecular weight are still in great dem... NMR Investigations on the Proline-Catalyzed Aldehyde Self-Condensation: Mannich Mechanism, Dienamine Detection, and Erosion of the Aldol Addition Selectivity [作者：SCHMID MARKUS B; ZEITLER KIRSTEN; GSCHWIND RUTH M,期刊：Journal of Organic Chemistry, 页码：3005-3015 , 文章类型： Article，,卷期：2011年76-9] The proline-catalyzed self-condensation of aliphatic aldehydes in DMSO with varying amounts of catalyst was studied by in situ NMR spectroscopy. The reaction profiles and intermediates observed as well as deuteration stu... N-Heterocyclic Carbene-Mediated Oxidative Esterification of Aldehydes: Ester Formation and Mechanistic Studies [作者：MAJI BISWAJIT; VEDACHALAN SEENUVASAN; GE XIN; CAI SHUTING; LIU XUEWEI,期刊：Journal of Organic Chemistry, 页码：3016-3023 , 文章类型： Article，,卷期：2011年76-9] An unexpected N-heterocyclic carbene-catalyzed esterification of alpha,beta-unsaturated aldehydes including aromatic aldehydes with reactive cinnamyl bromides in the presence of air oxygen or MnO2 as an oxidant is descri... Rhodium-Catalyzed Regioselective Olefination Directed by a Carboxylic Group [作者：MOCHIDA SATOSHI; HIRANO KOJI; SATOH TETSUYA; MIURA MASAHIRO,期刊：Journal of Organic Chemistry, 页码：3024-3033 , 文章类型： Article，,卷期：2011年76-9] The ortho-olefination of benzoic acids can be achieved effectively through rhodium-catalyzed oxidative coupling with alkenes. The carboxylic group is readily removable to allow ortho-olefination/decarboxylation in one po... A General Route to Mono- and Disubstituted Divinyl Sulfones: Acyclic Michael Acceptors for the Synthesis of Polyfunctionalized Cyclic Sulfones [作者：PAL TARUN KUMAR; DEY SANTU; PATHAK TANMAYA,期刊：Journal of Organic Chemistry, 页码：3034-3041 , 文章类型： Article，,卷期：2011年76-9] Nucleophilic C-S bond formation using easily available beta-hydroxysulfonate derivatives allowed direct access to new mono- and disubstituted divinyl sulfones. Our strategy uses thioethanol (HSCH2CH2OH) and its analogues... Iron-Catalyzed Synthesis of Functionalized 2H-Chromenes via Intramolecular Alkyne-Carbonyl Metathesis [作者：BERA KRISHNENDU; SARKAR SOUMEN; BISWAS SRIJIT; MAITI SUKHENDU; JANA UMASISH,期刊：Journal of Organic Chemistry, 页码：3539-3544 , 文章类型： Article，,卷期：2011年76-9] An iron-catalyzed intramolecular alkyne-aldehyde metathesis strategy of the alkynyl ether of salicylaldehyde derivatives has been developed which works under mild reaction conditions to produce the functionalized 2H-chro... Organocatalytic Asymmetric Direct Aldol Reactions of Trifluoroacetaldehyde Ethyl Hemiacetal with Aromatic Methyl Ketones [作者：FUNABIKI KAZUMASA; ITOH YUYA; KUBOTA YASUHIRO; MATSUI MASAKI,期刊：Journal of Organic Chemistry, 页码：3545-3550 , 文章类型： Article，,卷期：2011年76-9] The organocatalytic asymmetric direct aldol reaction of trifluoroacetaldehyde ethyl hemiacetal with aromatic methyl ketones in the presence of a catalytic amount of (S)-5-(pyrrolidin-2-yl)-1H-tetrazole in dichloroethane ...