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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30条记录   Regioselective Reductive Ring Opening of Benzylidene Acetals Using Triethylsilane and Iodine [作者：PANCHADHAYEE RAJIB; MISRA ANUP KUMAR,期刊：SYNLETT, 页码：1193-1196 , 文章类型： Article，,卷期：2010年-8] Novel reaction conditions have been developed for the regioselective reductive ring opening of benzylidene acetals in carbohydrate derivatives using triethylsilane and molecular iodine. The reaction is fast, compatible w... Synthesis of Racemic, N-Benzylated Neoechinulin A and Isoneoechinulin A [作者：WAGGNER JERNEJ; GROSELJ UROS; SVETE JURIJ; STANOVNIK BRANKO,期刊：SYNLETT, 页码：1197-1200 , 文章类型： Article，,卷期：2010年-8] Two N-benzylated analogues of the antioxidant, radical scavenging, and neuroprotective alkaloid neoechinulin A were prepared. Since, according to SAR studies, stereochemistry does not play an important role, both analogu... Fast, Efficient, and Convenient Method for the Preparation of Arylazo Aryl Sulfones Using Stable Aryldiazonium Silica Sulfates under Mild Conditions [作者：ZAREI AMIN; HAJIPOUR ABDOL R; KHAZDOOZ LEILA; AGHAEI HAMIDREZA,期刊：SYNLETT, 页码：1201-1204 , 文章类型： Article，,卷期：2010年-8] An efficient, fast, and straightforward procedure for the synthesis of arylazo aryl sulfones is described by using aryl diazonium silica sulfates and sodium arenesulfinates. The reaction was carried out at room temperatu... Stereoselective Synthesis of (-)-Pironetin by an Iterative Prins Cyclisation and Reductive Cleavage Strategy [作者：YADAV J S; ATHER HISSANA; RAO N VENKATESWAR; REDDY M SRIDHAR; PRASAD A R,期刊：SYNLETT, 页码：1205-1208 , 文章类型： Article，,卷期：2010年-8] A stereoselective synthesis of pironetin, a natural product which is highly immunosuppressive and shows remarkable plant growth regulatory and antitumoral activities, is described. The approach avails successfully the hi... A Convenient Stereoselective Synthesis of trans-4a,5,8,8a-Tetrahydro-2H-isoquinolin-1-ones via trans 3-Allylation of 4-Allyl-3,4-dihydropyridine-2-thiones and RCM as Key Steps [作者：SOSNICKI JACEK G; STRUK LUKASZ,期刊：SYNLETT, 页码：1209-1214 , 文章类型： Article，,卷期：2010年-8] A convenient synthesis of trans-4a, 5,8,8a-tetrahydro-2H-isoquinolin-1-ones from 4-allyl-3,4-dihydro-1H-pyridine-2-thiones via stereoselective alkylation at C-3 (trans with respect to 4-allyl substituent), subsequent N-a... A Rapid Microwave-Assisted Procedure for Easy Access to N-x Polydentate Ligands for Potential Application in alpha-RIT [作者：MEVEL MATHIEU; BODIO EWEN; GROSJEAN SYLVAIN; MONTAVON GILLES; MESLIN JEANCLAUDE; JULIENNE KARINE; DENIAUD DAVID,期刊：SYNLETT, 页码：1215-1218 , 文章类型： Article，,卷期：2010年-8] Heterocycles bearing a hydrazine moiety react with bisaldehydes or bisketones to afford new N-x polydentate ligands suitable for alpha-radioimmunotherapy. We developed a fast and efficient method using microwave-assisted... Ephedrine- and Pseudoephedrine-Derived Thioureas in Asymmetric Michael Additions of Keto Esters and Diketones to Nitroalkenes [作者：FLOCK ANGELIKA MARIE; KREBS ANKE; BOLM CARSTEN,期刊：SYNLETT, 页码：1219-1222 , 文章类型： Article，,卷期：2010年-8] Ephedrine-derived bifunctional thioureas have been synthesized and applied as organocatalysts in Michael additions of 1,3-dicarbonyl compounds to nitroalkenes. Catalytic Activity Studies of Aminocarbonyl Group Containing Hoveyda-Grubbs-Type Complexes for the Syntheses of Herbarumin I and Stagonolide A [作者：MOHAPATRA DEBENDRA K; SOMAIAH R; RAO M MALLIKARJUNA; CAIJO FREDERIC; MAUDUIT MARC; YADAV J S,期刊：SYNLETT, 页码：1223-1226 , 文章类型： Article，,卷期：2010年-8] The catalytic activity of four aminocarbonyl group containing 'boomerang'-type ring-closing metathesis catalysts have been studied for ten-membered lactone and compared well with the Grubbs I and II as well as the Hoveyd... Acyl Radicals from Nitriles Promoted by Cp2TiCl in beta-Lactam Chemistry [作者：MONLEON LAURA M; GRANDE MANUEL; ANAYA JOSEFA,期刊：SYNLETT, 页码：1227-1230 , 文章类型： Article，,卷期：2010年-8] In order to synthesize new tricyclic beta-lactams we have studied the reactivity of 4-alkenylepoxy-N-(1-cyano-1-dimethyl-ethyl)-2-azetidinones with Cp2TiCl. The desired trilactams were not formed at all but an unsaturate... Indium-Catalyzed N-Formylation of Amines under Solvent-Free Conditions [作者：KIM JOONGGON; JANG DOO OK,期刊：SYNLETT, 页码：1231-1234 , 文章类型： Article，,卷期：2010年-8] We have developed a simple, mild method for N-formylation of a wide variety of amines in the presence of indium metal as a catalyst under solvent-free conditions. This reaction is applicable to the chemoselective N-formy... Enantioselective Intramolecular [2+2+2] Cycloaddition of Dienynes for the Construction of Adjacent Three Chiral Centers [作者：SHIBATA TAKANORI; OTOMO MAYUMI; ENDO KOHEI,期刊：SYNLETT, 页码：1235-1238 , 文章类型： Article，,卷期：2010年-8] A chiral rhodium catalyst realized the first intramolecular [2+2+2] cycloaddition of yne-ene-enes, and chiral multicyclic cyclohexenes with adjacent three chiral centers were afforded with high to excellent ee. An Efficient Synthesis of 2,6-Disubstituted 2,3-Dihydro-4H-pyran-4-ones via Sonogashira Coupling of p-Toluenethiol Esters [作者：FUWA HARUHIKO; MATSUKIDA SEIJI; SASAKI MAKOTO,期刊：SYNLETT, 页码：1239-1242 , 文章类型： Article，,卷期：2010年-8] An efficient strategy for the synthesis of 2,6-disubstituted 2,3-dihydro-4H-pyran-4-ones has been developed, which relied on Sonogashira coupling of alkynes and p-toluenethiol esters and AgOTf-promoted 6-endo-dig cycliza... Iron- or Cobalt-Catalyzed Nazarov Cyclization: Asymmetric Reaction and Tandem Cyclization-Fluorination Reaction [作者：KAWATSURA MOTOI; KAJITA KOJI; HAYASE SHUICHI; ITOH TOSHIYUKI,期刊：SYNLETT, 页码：1243-1246 , 文章类型： Article，,卷期：2010年-8] We succeeded in demonstrating the iron- or cobalt-catalyzed asymmetric Nazarov cyclization of divinyl ketones using iron or cobalt catalysts, which were prepared from Co(ClO4)(2)center dot 6H(2)O, Fe(ClO4)(2)center dot 6... Biosynthesis of Resveratrol Dimers by Regioselective Oxidative Coupling Reaction [作者：LI WENLING; LI HONGFU; LUO YALING; YANG YUHUA; WANG NONG,期刊：SYNLETT, 页码：1247-1250 , 文章类型： Article，,卷期：2010年-8] A wide array of natural resveratrol dimers was prepared by the regioselective oxidative coupling reaction of 3,5-di-(tert-butyl) resveratrol using several types of metal oxidants (Ag2O, Ag2CO3, MnO2, and FeCl3 center dot... Efficient Iron-Catalyzed Tsuji-Trost Coupling Reaction of Aromatic Allylic Amides through a sp(3)-Carbon-Nitrogen Breaking [作者：JIANG ZHENYU; ZHANG CAIHUA; GU FENGLEI; YANG KEFANG; LAI GUOQIAO; XU LIWEN; XIA CHUNGU,期刊：SYNLETT, 页码：1251-1254 , 文章类型： Article，,卷期：2010年-8] The catalytic activation of sp(3)-carbon-nitrogen of allylic amides is generally difficult because of the inefficient leaving-group ability of the amide group. In this article, we have discovered for the first time that ... Stereoselective Synthesis of (-)-PF1163A via Prins Cyclization [作者：YADAV JHILLU S; VENKATESH M; THRIMURTULU N; PRASAD ATTALURI R,期刊：SYNLETT, 页码：1255-1259 , 文章类型： Article，,卷期：2010年-8] A highly stereoselective and convergent total synthesis of PF1163 A is described while proving the versatility of Prins cyclization in natural product synthesis. The Prins cyclization, Yamaguchi esterification, and ring-...