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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29条记录   Atom-Economical C-2+N-1 Aziridination: Progress towards Catalytic Intermolecular Reactions Using Alkenes and Aryl Azides [作者：JENKINS DAVID M,期刊：SYNLETT, 页码：1267-1270 , 文章类型： Article，,卷期：2012年-9] The direct synthesis of aziridines from alkenes and a nitrene source with the correct functionality on the nitrogen atom has remained an elusive goal in synthetic chemistry. Ruthenium, cobalt, and iron porphyrin complexe... Alkynedicobalt Complexes in gamma-Carbonyl Cations and Cycloheptynedicobalt Complexes [作者：GREEN JAMES R,期刊：SYNLETT, 页码：1271-1282 , 文章类型： Article，,卷期：2012年-9] This Account describes our work on highly electrophilic gamma-carbonyl cations featuring propargyldicobalt cations, cycloheptynedicobalt complexes, and the interconnection between the two systems. Cyclization Reactions of 1,1-Bis(trimethylsilyloxy)ketene Acetals [作者：DANG TUAN T; KELZHANOVA NAZKEN K; ABILOV ZHARYLKASYN A; TURMUKHANOVA MIRGUL ZH; LANGER PETER,期刊：SYNLETT, 页码：1283-1290 , 文章类型： Article，,卷期：2012年-9] 1,1-Bis(trimethylsilyloxy)ketene acetals represent useful synthetic building blocks that can be regarded as masked carboxylic acid dianions. In recent years, a number of cyclization reactions of 1,1-bis(trimethylsilyloxy... Asymmetric Total Synthesis of the Epothilone Sagopilone - From Research to Development [作者：KLAR ULRICH; PLATZEK JOHANNES,期刊：SYNLETT, 页码：1291-1299 , 文章类型： Article，,卷期：2012年-9] We describe our successful efforts for the translation of our research strategy that was focused on a broad structural modification of the natural product epothilone B, to the production of the distinct drug candidate sa... Biomimetic in situ Regeneration of Cofactors NAD(P)(+) and NAD(P)H Models Hantzsch Esters and Dihydrophenanthridine [作者：DU WANGMING; YU ZHENGKUN,期刊：SYNLETT, 页码：1300-1304 , 文章类型： Article，,卷期：2012年-9] Biomimetic recycling of the expensive cofactors NAD(P)H/NAD(P)(+) and their models is a promising area in bio-inspired synthesis. This paper highlights the recent advances in the in situ regeneration of the oxidized cofa... A General Regioselective Synthesis of 2,4-Diarylpyrimidines from 2-Thiouracil through Two Orthogonal Cross-Coupling Reactions [作者：CERNOVA MIROSLAVA; POHL RADEK; KLEPETAROVA BLANKA; HOCEK MICHAL,期刊：SYNLETT, 页码：1305-1308 , 文章类型： Article，,卷期：2012年-9] A novel efficient synthesis of 2,4-diarylpyrimidines was developed based on phosphonium-mediated Suzuki coupling of 2-(methylsulfanyl) pyrimidin-4(3H)-one (at position 4) followed by the Liebeskind-Srogl cross-coupling (... A Reusable TNF-Tagged Chiral Bis(oxazoline)-Copper Catalyst for Diels-Alder Transformations [作者：DIDIER DORIAN; SCHULZ EMMANUELLE,期刊：SYNLETT, 页码：1309-1314 , 文章类型： Article，,卷期：2012年-9] A chiral bis(oxazoline) ligand, substituted on the methylene bridge by a covalent link to an electron-deficient moiety (2,4,7-trinitrofluoren-9-one, TNF), is a useful ligand associated to copper( II) salts to promote ena... Expedient Synthesis of 1-Hydroxy-4- and 1-Hydroxy-6-nitroindoles [作者：BUJOK ROBERT; WROBEL ZBIGNIEW; WOJCIECHOWSKI KRZYSZTOF,期刊：SYNLETT, 页码：1315-1320 , 文章类型： Article，,卷期：2012年-9] Reaction of alpha-chloroalkyl ketones with 1,3-dinitrobenzenes provides 2,4-dinitrobenzyl ketones which when reduced with tin(II) chloride form 6-nitro derivatives of 1-hydroxyindoles. An alternative approach is the cond... Organocatalytic Asymmetric Synthesis of 1,2,4-Trisubstituted Azetidines by Reductive Cyclization of Aza-Michael Adducts of Enones [作者：KAPOOR RITU; CHAWLA RUCHI; SINGH SANTOSH; YADAV LAL DHAR S,期刊：SYNLETT, 页码：1321-1326 , 文章类型： Article，,卷期：2012年-9] An efficient and highly enantioselective organocatalytic aza-Michael addition of N-substituted phosphoramidates to enones generates aza-Michael adducts which undergo intramolecular reductive cyclization with (R)-alpine b... Synthetic Study of the Angular Tetracyclic Core Skeleton of Landmycine A via Masamune-Bergman Cyclization [作者：YAMAGUCHI SHO; TANAKA HIROSHI; YAMADA RYO; KAWAUCHI SUSUMU; TAKAHASHI TAKASHI,期刊：SYNLETT, 页码：1327-1330 , 文章类型： Article，,卷期：2012年-9] We describe the synthesis, via Masamune-Bergman cyclization, of an angucycline derivative involving a quinone in the B ring and a nonaromatic hydroxylated C ring. The naphthoquinone was synthesized via the copper-catalyz... Synthesis of Carbamoylacetates from alpha-Iodoacetate, CO, and Amines under Pd/Light Combined Conditions [作者：SUMINO SHUHEI; FUSANO AKIRA; FUKUYAMA TAKAHIDE; RYU ILHYONG,期刊：SYNLETT, 页码：1331-1334 , 文章类型： Article，,卷期：2012年-9] We developed a novel synthetic method of carbamoylacetates from alpha-iodoacetate, carbon monoxide, and amines under photoirradiation conditions in the presence of a Pd catalyst. This reaction likely proceeds via interpl... Direct Synthesis of Organic Azides from Alcohols Using 2-Azido-1,3-dimethylimidazolinium Hexafluorophosphate [作者：KITAMURA MITSURU; KOGA TATSUYA; YANO MASAKAZU; OKAUCHI TATSUO,期刊：SYNLETT, 页码：1335-1338 , 文章类型： Article，,卷期：2012年-9] Direct synthesis of organic azides from alcohols was developed. Azide transfer of 2-azido-1,3-dimethylimidazolinium hexafluorophosphate (ADMP) to alcohols proceeds to give the corresponding azides under mild reaction con... Addition of Purines to N-Boc Imines Generated in Situ in Water: Efficient Synthesis of Novel Acyclic Purine Azanucleosides [作者：ZHANG HUI; LIAN CHUNXIA; YUAN WEICHENG; ZHANG XIAOMEI,期刊：SYNLETT, 页码：1339-1342 , 文章类型： Article，,卷期：2012年-9] A mild, efficient and highly regioselective addition of purine derivatives to N-Boc imines generated in situ in water was developed for the first time. A wide range of novel acyclic purine azanucleosides were synthesized... Cycloaddition of CO2 to Epoxides Catalyzed by N-Heterocyclic Carbene (NHC)-ZnBr2 System under Mild Conditions [作者：LIU XIANG; CAO CHANGSHENG; LI YUNFEI; GUAN PEI; YANG LONGGUANG; SHI YANHUI,期刊：SYNLETT, 页码：1343-1348 , 文章类型： Article，,卷期：2012年-9] A very simple and convenient method toward coupling of CO2 with epoxides catalyzed by NHC/ZnBr2 has been developed. This catalytic system exhibits excellent activity and selectivity in the cycloaddition reactions of CO2 ... Asymmetric Synthesis of (-)-9-epi-Metazocine [作者：CHEN QIANG; HUO XING; ZHENG HUAIJI; SHE XUEGONG,期刊：SYNLETT, 页码：1349-1352 , 文章类型： Article，,卷期：2012年-9] (-)-9-epi-Metazocine was synthesized through an Evans syn aldol reaction, ring-closing metathesis reaction and intramolecular radical cyclization. Microwave-Assisted Metal-Free Synthesis of 2,8-Diaryl-6-aminoimidazo[1,2-a]pyridine via Amine-Triggered Benzannulation [作者：NAGARAJ MUTHUPANDI; BOOMINATHAN MUTHUSAMY; MUTHUSUBRAMANIAN SHANMUGAM; BHUVANESH NATTAMAI,期刊：SYNLETT, 页码：1353-1357 , 文章类型： Article，,卷期：2012年-9] An efficient microwave-assisted metal-free amino benzannulation of aryl(4-aryl-1-(prop-2-ynyl)-1H-imidazol-2-yl) methanone with dialkylamines afforded a variety of 2,8-diaryl-6-aminoimidazo[1,2-a]pyridine in moderate to ...