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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35条记录   Polymer-Mediated Reactions. A Nazarov-Like Cyclization [作者：PAVLIK CHRISTOPHER; MORTON MARTHA D; INVERNALE MICHAEL A; BERGHORN IAN D; SOTZING GREGORY A; SMITH MICHAEL B,期刊：SYNLETT, 页码：2195-2199 , 文章类型： Article，,卷期：2011年-15] The polymer PEDOT(+) mediates a Nazarov-like cyclization of dienones, in an heterogeneous system and in hydrocarbon solvents. The polymer-mediated reactions show clear differences in product formation when compared to th... Solvent-Free Synthesis of Enamines from Alkyl Esters of Propiolic or But-2-yne Dicarboxylic Acid in a Ball Mill [作者：THORWIRTH RICO; STOLLE ACHIM,期刊：SYNLETT, 页码：2200-2202 , 文章类型： Article，,卷期：2011年-15] A solvent-free method for the addition of amines to dialkylacetylendicarboxylates or alkylpropiolates using a planetary ball mill was developed. Conversion of educts was quantitative within five minutes without use of an... Direct Experimental Evidence for the Epimerization of Diastereoisomers in the Enantioselective Organocatalyzed Michael Addition of Acetoacetates to Nitroolefins [作者：MANZANO RUBEN; ANDRES JOSE M; PEDROSA RAFAEL,期刊：SYNLETT, 页码：2203-2205 , 文章类型： Article，,卷期：2011年-15] The evolution of the addition of acetoacetates to nitrostyrene catalyzed by a bifunctional thiourea has been followed by (19)F NMR. The results show for the first time that the diastereoselectivity varies along the react... TAPC-Catalyzed Synthesis of Thioethers from Thiols and Alcohols [作者：BAHRAMI KIUMARS; KHODAEI MOHAMMAD MEHDI; KHODADOUSTAN NAYERE,期刊：SYNLETT, 页码：2206-2210 , 文章类型： Article，,卷期：2011年-15] A new synthesis of thioethers is described. The reaction of aryl alcohols with aryl, heteroaryl, and alkyl thiols in the presence of TAPC as an efficient catalyst affords good to excellent yields of thioethers. Furthermo... A Practical and Cost-Efficient, One-Pot Conversion of Aldehydes into Nitriles Mediated by 'Activated DMSO' [作者：AUGUSTINE JOHN KALLIKAT; BOMBRUN AGNES; ATTA RAJENDRA NATH,期刊：SYNLETT, 页码：2223-2227 , 文章类型： Article，,卷期：2011年-15] Participation of 'activated DMSO' in the one-pot transformation of aldehydes to nitriles has been described by reacting aldehydes with NH(2)OH center dot HCl in DMSO in the absence of any added base or catalyst. The meth... A Simple Large-Scale Synthesis of Cbz-Protected Taurylsulfonyl Azide [作者：BROUWER ARWIN J; LISKAMP ROB M J,期刊：SYNLETT, 页码：2228-2230 , 文章类型： Article，,卷期：2011年-15] A simple and efficient method for the large-scale synthesis of Cbz-taurylsulfonyl azide is described. This sulfonyl azide is accessible from taurine using three or four synthetic steps. Singlet-Oxygen-Induced Rearrangement of Furan Derivatives [作者：CHARBONNET NICOLAS; RIGUET EMMANUEL; BOCHET CHRISTIAN G,期刊：SYNLETT, 页码：2231-2233 , 文章类型： Article，,卷期：2011年-15] Upon exposure to singlet oxygen and dimethylsulfide, the addition products between 3-furaldehydes and Grignard reagents undergo an oxidative rearrangement to give 2-substituted 3-furaldehydes, in yields ranging from 26-8... Regioselective 1,6-Conjugate Addition of Boronic Acids and Grignard Reagents to Dienylpyridines [作者：ROSCALES SILVIA; SALADO IRENE G; CSAKY AURELIO G,期刊：SYNLETT, 页码：2234-2236 , 文章类型： Article，,卷期：2011年-15] Functionalization of the lateral chain of dienylpyridines was achieved by the regioselective 1,6-addition of boronic acids catalyzed by rhodium(I) or Grignard reagents under iron(II) catalysis. Studies of Functionally Substituted Enamines: A New, One-Step Method for the Formation of Tetrahydroquinolinone and Nicotinonitrile Derivatives [作者：MOUSTAFA MOUSTAFA SHERIEF; ALMOUSAWI SALEH MOHAMMED; ELNAGDI MOHAMED HILMY,期刊：SYNLETT, 页码：2237-2241 , 文章类型： Article，,卷期：2011年-15] Novel rearrangement reactions leading to the formation of 2-piperidinyl-tetrahydroquinolinones were observed to occur in reactions of enaminonitrile with the 1,3-cyclohexanedione derivatives. In contrast, 2-phenyl-3-(pip... Synthesis of Isotopically Labeled Fusarium Mycotoxin (13)C(2)-Moniliformin [1-Hydroxycyclobut-1-ene-3,4-dione] [作者：LOHREY LILIA; MURATA TAKESHI; UEMURA DAISUKE; HUMPF HANSULRICH,期刊：SYNLETT, 页码：2242-2244 , 文章类型： Article，,卷期：2011年-15] The total synthesis of isotopically labeled [(13)C(2)]-1-hydroxycyclobut-1-ene-3,4-dione (moniliformin) a fungal toxic secondary metabolite to be used as internal standard for mycotoxin analysis is described. The synthes... An Inverse Electron-Demand Diels-Alder-Based Total Synthesis of Urolithin M7 [作者：POTTIE IAN R; NANDALURU PENCHAL REDDY; BODWELL GRAHAM J,期刊：SYNLETT, 页码：2245-2247 , 文章类型： Article，,卷期：2011年-15] Urolithin M7 was synthesized from 2-hydroxy-4-methoxybenzaldehyde in 8 steps and 48% overall yield. The key step was an inverse electron demand Diels-Alder (IEDDA) reaction between diene 10 and the enamine (7) derived fr... Organoselenosilane-Mediated Selective Mild Access to Selenolesters, Selenoanhydrides and Diacyl Diselenides [作者：CAPPERUCCI ANTONELLA; DEGLINNOCENTI ALESSANDRO; TIBERI CATERINA,期刊：SYNLETT, 页码：2248-2252 , 文章类型： Article，,卷期：2011年-15] Reaction of acyl chlorides with phenylselenotrimethylsilane promoted by TBAF afforded a mild general access to selenolesters in good yields. When acyl chlorides were reacted with bis(trimethylsilyl) selenide (HMDSS) in 2... Efficient Carbonylation of Aryl and Heteroaryl Bromides under Atmospheric Pressure of CO [作者：YANG WEIZHUN; HAN WEI; ZHANG WEIDONG; SHAN LEI; SUN JIANSONG,期刊：SYNLETT, 页码：2253-2255 , 文章类型： Article，,卷期：2011年-15] In the presence of Et(3)N and n-BuOH, efficient alkoxycarbonylation of (hetero) aromatic bromides was achieved under atmospheric pressure of carbon monoxide with in situ generated palladium/rac-BINAP as catalyst. Triphenylphosphine-Catalyzed [3+2] Cycloaddition of Allenoate and Active Olefins: Syntheses of Spirooxindole Derivatives [作者：GUO SHANYAN; WANG RENDONG; LI JIAN; LI CHUNJU; DENG HONGMEI; JIA XUESHUN,期刊：SYNLETT, 页码：2256-2258 , 文章类型： Article，,卷期：2011年-15] A series of spiro compounds was achieved by triphenylphosphine-catalyzed [3+2] cycloaddition between active methylenemalononitrile and ethyl 2,3-butadienoate. Careful investigation showed that the present method had high... Solid-Phase Synthesis of 2,3,5,6-Tetrahydro-1H-imidazo[1,2-a]benzo[d]-[1,3]diazepines via Pd(OAc)(2)/Cu(OAc)(2)-Cocatalyzed Cyclization [作者：OU LILI; SHAO ZHANYING; CHEN WENTENG; GIULIANOTTI MARC A; HOUGHTEN RICHARD A; YU YONGPING,期刊：SYNLETT, 页码：2259-2261 , 文章类型： Article，,卷期：2011年-15] An efficient approach for the solid-phase synthesis of 2,3,5,6-tetrahydro-1H-imidazo[1,2-a]benzo[d][1,3]diazepines has been developed. It was realized by Pd(OAc)(2)/Cu(OAc)(2)-cocatalyzed intramolecular aryl guanidinylat... Regio- and Enantioselective Pd-Catalyzed Allylic Amination of Monosubstituted Allylic Substrates with BocNHOMe [作者：ZHENG BAOHUI; DING CHANGHUA; HOU XUELONG,期刊：SYNLETT, 页码：2262-2264 , 文章类型： Article，,卷期：2011年-15] A new type of N-nucleophile has been developed in Pd-catalyzed asymmetric allylic amination with monosubstituted allyl substrates, affording corresponding branched allyl amines in high regio- and enantioselectivities. Ei...