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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60条记录   Ready Preparation of Furanosyl n-Pentenyi Orthoesters from Corresponding Methyl Furanosides [作者：RAMAMURTY CHANGALVALA V S; GANNEY PARIMALA; RAO C SRINIVAS; FRASERREID BERT,期刊：Journal of Organic Chemistry, 页码：2245-2247 , 文章类型： Article，,卷期：2011年76-7] The 3,5-di-O-benzoyl n-pentenyl orthoesters of the four pentofuranoses have been prepared. The first key intermediate in each case is the methyl pentofuranoside(s), and a user-friendly procedure for the pre.Daration of e... anti-Selective, Catallytic Asymmetric Vinylogous Mukaiyama Mannich Reactions of Pyrrole-Based Sillyl Dienolates with N-Aryl Aldimines [作者：CURTI CLAUDIO; BATTISTINI LUCIA; RANIERI BEATRICE; PELOSI GIORGIO; RASSU GLORIA; CASIRAGHI GIOVANNI; ZANARDI FRANCA,期刊：Journal of Organic Chemistry, 页码：2248-2252 , 文章类型： Article，,卷期：2011年76-7] Pyrrole-based silyl dienolates undergo asymmetric vinylogous Mukaiyama Mannich reactions with a series of N-aryl aldimines in the presence of the Hoveyda-Snapper amino acid-derived silver(I) catalysts. The Manrdch produc... The Shortest Synthetic Route to Puromycin Anallogues Using a Modified Robins Approach [作者：KRISHNAKUMAR KOLLAPPILLIL S; GOUDEDRANCHE SEBASTIEN; BOUCHU DENIS; STRAZEWSKI PETER,期刊：Journal of Organic Chemistry, 页码：2253-2256 , 文章类型： Article，,卷期：2011年76-7] We are reporting on the utility of commercial vinyl isocyanate for a practical synthetic route from adenosine to N-6-bis-demethylpuromycin in seven steps and 65% overall yield. A clean one-pot conversion of 3'-bromo-2'-c... Synthesis of (-)-Homogalanthamine from Naltrexone [作者：YAMAMOTO NAOSHI; FUJII HIDEAKI; IMAIDE SATOMI; HIRAYAMA SHIGETO; NEMOTO TORU; INOKOSHI JUNJI; TOMODA HIROSHI; NAGASE HIROSHI,期刊：Journal of Organic Chemistry, 页码：2257-2260 , 文章类型： Article，,卷期：2011年76-7] Acetylcholinesterase inhibitor (-)-homogalanthamine 3 was synthesized from mu opioid antagonist naltrexone (2) in 16% total yield. The synthesis features Grob fragmentation as a key reaction, which was especially acceler... A Rapid, One-Pot, Microwave-influenced Synthesis of Spiro-2,5-diketopiiperazines viia a Cascade Ugi/6-Exo-Trig Aza-Michael Reaction [作者：SANTRA SOUMAVA; ANDREANA PETER R,期刊：Journal of Organic Chemistry, 页码：2261-2264 , 文章类型： Article，,卷期：2011年76-7] A rapid, cascade reaction process has been developed to access biologically validated spiro-2,5-diketopiperazines. The facile and environmentally benign method capitalizes on commercially. available starting reagents for... Concise Synthesis of 5-Methoxy-6-hydroxy-2-methyichromone-7-O- and 5-Hydroxy-2-methyichromone-7-O-rutinosides. Investigation of Their Cytotoxic Activities against Several Human Tumor Cell Lines [作者：WU BAOLIN; ZHANG WENPENG; LI ZHONGHUA; GU LI; WANG XIN; WANG PENG GEORGE,期刊：Journal of Organic Chemistry, 页码：2265-2268 , 文章类型： Article，,卷期：2011年76-7] The synthesis of two novel 2-methylchromone-7-O-rutinosides is reported, and the in vitro biological activities of these compounds and their synthetic precursors have been investigated on the basis of their cytotoxicity ... Practical Synthesis of beta-Acyl and beta-Alkoxycarbonyl Heterocyclic Sulfones [作者：POSPISIL JIRI; SATO HITOSHI,期刊：Journal of Organic Chemistry, 页码：2269-2272 , 文章类型： Article，,卷期：2011年76-7] A short and efficient synthesis for beta-acyl and beta-alkoxycarbonyl heterocyclic sulfones containing benzothiazol (BT) and phenyltetrazol (PT) heterocydic core is presented here. The method seems to be general and prov... A Highly Divergent Approach for Synthesis of Metal-Binding Peptide Libraries [作者：JABRE NITINKUMAR D; KOROSTELOVA NADIYA; KODANKO JEREMY J,期刊：Journal of Organic Chemistry, 页码：2273-2276 , 文章类型： Article，,卷期：2011年76-7] A highly divergent approach for the synthesis of metal-binding; peptides is described. This approach builds pyridine-based chelators in a stepwise fashion on resin and provides rapid access to a diverse array of Metal-bi... Mild Method for the Selective Esterification of Carboxylic Adds Based on the Garegg-Samuelsson Reaction [作者：MORCILLO SARA P; ALVAREZ DE CIENFUEGOS LUIS; MOTA ANTONIO J; JUSTICIA JOSE; ROBLES RAFAEL,期刊：Journal of Organic Chemistry, 页码：2277-2281 , 文章类型： Article，,卷期：2011年76-7] A mild method for the selective esterification of primary alcohols is described. The use of different phosphines, I-2, and imidazole allows the selective esterification: of a wide variety of acids with excellent results.... Enantioselective Friedel-Crafts Alkylation of Indoles with Trifluoroethylidene Malonates by Copper-Bis(oxazoline) Complexes: Construction of Trifluoromethyl-Substituted Stereogenic Tertiary Carbon Center [作者：WEN LELE; SHEN QILONG; WAN XIAOLONG; LU LONG,期刊：Journal of Organic Chemistry, 页码：2282-2285 , 文章类型： Article，,卷期：2011年76-7] An enantioselective alkylation of indoles with trifluoroethylidene malonates catalyzed by copper(II) bis (oxazoline) complexes has been developed. The expected adducts with a stereogenic tertiary carbon center bearing a ... Antiaromatic Dianions: Dianions of Dixanthyiidene by Reduction and Attempted Excited-State Deprotonation [作者：BLACK MARY; WOODFORD CLIFFORD; MILLS NANCY S,期刊：Journal of Organic Chemistry, 页码：2286-2290 , 文章类型： Article，,卷期：2011年76-7] Reduction of dixanthylidene with potassium or lithium resulted in formation of the c.ntiaromatic dianion in high yield. Attempts to form the dianion by excited-state deprotonation of dixanthene with n-butyllithium/TMEDA ... BH3-Promoted Stereosellective beta-Lithiation of N-Alkyl-2-phenylaziridines [作者：AZZENA UGO; DETTORI GIOVANNA; PISANO LUISA; MUSIO BIAGIA; LUISI RENZO,期刊：Journal of Organic Chemistry, 页码：2291-2295 , 文章类型： Article，,卷期：2011年76-7] BH3 complexes of N-alkyl-2-phenylaziridines have been synthesized land their structure and stereochemistry proved with DFT calculations and NMR experiments. It has been demonstrated that the Lewis acid complexation is ab...