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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27条记录   Convenient Preparation of Tri-tert-butylphosphonium Tetrafluoroborate [作者：SAGET TANGUY; CRAMER NICOLAI,期刊：Synthesis, 页码：2369-2371 , 文章类型： Article，,卷期：2011年-15] The versatile tri-tert-butylphosphonium tetrafluoroborate ligand is prepared in a convenient, simple, and high-yielding procedure without the isolation of sensitive intermediates. Selective Electrochemical Fluorodesulfurization of Benzo- and Pyrido-Fused Oxazine Derivatives Using Ex-cell Halogen Mediators [作者：YIN BIN; INAGI SHINSUKE; FUCHIGAMI TOSHIO,期刊：Synthesis, 页码：2372-2376 , 文章类型： Article，,卷期：2011年-15] Although the direct anodic fluorination of 3-phenyl-2H-1,4-benzoxazine was not very effective, the fluorodesulfurization of 3-aryl-2-(phenylsulfanyl)-2H-1,4-benzoxazines using various anodically generated halogen mediato... TBAF-Promoted Elimination of Vicinal Dibromides Having an Adjacent O-Functional Group: Syntheses of 2-Bromoalk-1-enes and Alkynes [作者：KUTSUMURA NORIKI; KUBOKAWA KEISUKE; SAITO TAKAO,期刊：Synthesis, 页码：2377-2382 , 文章类型： Article，,卷期：2011年-15] Syntheses of 2-bromoalk-1-enes and alkynes were achieved in good yields by dehydrobromination of vicinal dibromides with tetrabutylammonium fluoride. Neighboring O-functional-group participation is important in determini... Synthesis of Fluorohydrins through Electrophilic Fluorination of Allyl Silanes [作者：WANG WEIBO; XU BO; HAMMOND GERALD B,期刊：Synthesis, 页码：2383-2386 , 文章类型： Article，,卷期：2011年-15] A convenient method for the efficient and regioselective monofluorination of allyl silanes to afford 1-fluoro-3-silyl-2-ols in 43-62% yields via fluorohydroxylation, using Selectfluor as the eletrophilic fluorination rea... Organic Halogenation Chemistry as a Vital Tool for the Construction of Functional pi-Conjugated Materials [作者：TOVAR JOHN D,期刊：Synthesis, 页码：2387-2391 , 文章类型： Article，,卷期：2011年-15] Recent and ongoing efforts by the Tovar research group to exploit organic halogenation chemistry for the development of complex organic electronic materials are described. Standard synthetic approaches involving free-rad... Using the 'Chemical Tunability' of Ionic Liquids to Increase Sustainability in the Electrophilic Bromination of Unsaturated Compounds [作者：CHIAPPE CINZIA; SANZONE ANGELO,期刊：Synthesis, 页码：2392-2396 , 文章类型： Article，,卷期：2011年-15] Tribromide-based ionic liquids have been synthesized and investigated as efficient bromination agents. The different physicochemical properties of the reaction media, which depend on the cation structure, have been used ... Synthesis of Arylseleno-1,2,3-triazoles via Copper-Catalyzed 1,3-Dipolar Cycloaddition of Azido Arylselenides with Alkynes [作者：DEOBALD ANNA M; CAMARGO LEANDRO R S; HOERNER MANFREDO; RODRIGUES OSCAR E D; ALVES DIEGO; BRAGA ANTONIO L,期刊：Synthesis, 页码：2397-2406 , 文章类型： Article，,卷期：2011年-15] The use of organoselenium compounds in the copper-catalyzed Huisgen 1,3-dipolar cycloaddition of azido arylselenides with various alkynes is described. Arylseleno-1,2,3-triazoles are prepared in excellent yields via reac... Iodocyclization of N-Aryl-3-phenylpropiolamides by I(2)/CAN: A Convenient Route for the Selective Synthesis of Quinolin-2-ones [作者：LIKHAR PRAVIN R; RACHARLAWAR SHAILESH S; KARKHELIKAR MANJUSHA V; SUBHAS M S; SRIDHAR B,期刊：Synthesis, 页码：2407-2414 , 文章类型： Article，,卷期：2011年-15] A general method has been developed for the selective synthesis of 3-iodoquinolin-2-ones and spiro[4.5]trienes via intramolecular iodocyclization of N-ortho-substituted aryl)-3-phenylpropiolamides using iodine/cerium(IV)... New Rearrangement of Conjugated Cyclic Ene Nitroso O-Trimethylsilyl Acetals: Convenient Synthesis of Dihydro-2H-pyran-3-one and Dihydrofuran-3-one Oximes [作者：TABOLIN ANDREY A; KHOMUTOVA YULIA A; NELYUBINA YULIA V; IOFFE SEMA L; TARTAKOVSKY VLADIMIR A,期刊：Synthesis, 页码：2415-2422 , 文章类型： Article，,卷期：2011年-15] The nucleophile-induced rearrangement of cyclic N-alkoxy-N-(silyloxy)enamines was investigated. As a result, a new strategy for the synthesis of beta-pyranone and beta-furanone derivatives from nitro compounds is suggest... An Efficient Synthesis of a Cyclopentannulated Pyrrolidine Derivative [作者：KHAN FAIZ AHMED; UPADHYAY SARASIJ K,期刊：Synthesis, 页码：2423-2430 , 文章类型： Article，,卷期：2011年-15] A racemic cyclopentannulated pyrrolidine derivative was synthesized utilizing ruthenium oxidation and borane reduction as the key steps. Ruthenium oxidation reaction of the 1,2-dibromoalkene moiety in an N-Boc-protected ... Highly Regioselective Palladium-Catalyzed C2-Amination of 2,4-Dichloropyridines: Scope and Limitations [作者：DELVARE CHRISTIAN; KOZA PATRICE; MORGENTIN REMY,期刊：Synthesis, 页码：2431-2436 , 文章类型： Article，,卷期：2011年-15] The use of palladium(0) enables a highly regioselective C-2 amination of 4,6-dichloronicotinonitrile. Coupling with aminoarenes that are N-acetyl-masked to limit cross-coupling overreaction, leads to 4-chloro-6-anilino n... A Simple Stereoselective Synthesis of a Novel Cytotoxic Alkaloid Barrenazine A [作者：DAS BISWANATH; SATYALAKSHMI GANDHAM; SUNEEL KANAPARTHY,期刊：Synthesis, 页码：2437-2440 , 文章类型： Article，,卷期：2011年-15] The cytotoxic marine alkaloid barrenazine A was synthesized stereoselectively in eight simple steps from octanal. A key step involved the preparation of a functionalized 4-aminopiperidin-5-ol that underwent oxidative dim... Synthesis of Thiophene-Type S,S- and N,S-Ligands Derived from (+)-Nopinone [作者：BALDINO SALVATORE; CHELUCCI GIORGIO; PODDIGHE ROBERTO; SECHI BARBARA,期刊：Synthesis, 页码：2441-2444 , 文章类型： Article，,卷期：2011年-15] The new chiral thiophene 3 was prepared from (+)-nopinone via a de novo construction of the thiophene nucleus. From compound 3 four new S,S- and N,S-ligands, namely the C(1)-symmetric 2-(thiophen-2-yl) pyridine 7 and the... Synthesis of Imidazo[1,2-a]pyridines by the Bis(acetyloxy)(phenyl)-lambda(3)-iodane-Mediated Oxidative Coupling of 2-Aminopyridines with beta-Keto Esters and 1,3-Diones [作者：WANG XIANPEI; MA LIJUAN; YU WEI,期刊：Synthesis, 页码：2445-2453 , 文章类型： Article，,卷期：2011年-15] Imidazo[1,2-a]pyridine-3-carboxylates can be prepared directly from 2-aminopyridines and beta-keto esters by using bis(acetyloxy)(phenyl)-lambda(3)-iodane as an oxidant and boron trifluoride etherate as a catalyst. The a... An Economical Approach to the Synthesis of Unsaturated Thiacrown Ethers [作者：SUN DONGQING; YANG JINGKUI,期刊：Synthesis, 页码：2454-2458 , 文章类型： Article，,卷期：2011年-15] The inexpensive starting material, 1,1-dichloroethylene, was used as a substitute for 1,2-dichloroethylene to synthesize unsaturated thiacrown ethers through the reaction of 1,1-dichloroethylene with sodium sulfide in th... Stereoselective Synthesis of Functionalized Cyclopropane Derivatives via alpha-Thiocyanate Ketone-Based Three-Component Reaction [作者：WU FEIYUE; LI YING; FENG HUI; WU QIONG; JIANG BO; SHI FENG; TU SHUJIANG,期刊：Synthesis, 页码：2459-2465 , 文章类型： Article，,卷期：2011年-15] alpha-Thiocyanate ketone-based three-component reactions have been established for the stereoselective synthesis of functionalized electron-deficient trans-cyclopropanes. The multicomponent reactions were conducted by re...