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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49条记录   Microwave-Assisted Synthesis of 3-Nitroindoles from N-Aryl Enamines via Intramolecular Arene-Alkene Coupling [作者：NGUYEN HUY H; KURTH MARK J,期刊：Organic Letters, 页码：362-365 , 文章类型： Article，,卷期：2013年15-2] A variety of N-aryl beta-nitroenamines were effectively transformed into 3-nitroindoles in good yields and with complete regioselectivity via a rapid microwave (mu V) assisted intramolecular arene alkene coupling reactio... Synthesis of 5-Hydroxymethyl-, 5-Formyl-, and 5-Carboxycytidine-triphosphates and Their Incorporation into Oligonucleotides by Polymerase Chain Reaction [作者：STEIGENBERGER BARBARA; SCHIESSER STEFAN; HACKNER BENJAMIN; BRANDMAYR CATERINA; LAUBE SILVIA K; STEINBACHER JESSICA; PFAFFENEDER TONI; CARELL THOMAS,期刊：Organic Letters, 页码：366-369 , 文章类型： Article，,卷期：2013年15-2] The synthesis of the triphosphates of 5-hydroxymethyl-, 5-formyl-, and 5-carboxycytidine and the incorporation of these building blocks into long DNA fragments using the polymerase chain reaction (PCR) are reported. In t... A New Mild Method for the C-Acylation of Ketone Enolates. A Convenient Synthesis of beta-Keto-Esters, -Thionoesters, and -Thioesters [作者：HALE KARL J; GRABSKI MILOSZ; FLASZ JAKUB T,期刊：Organic Letters, 页码：370-373 , 文章类型： Article，,卷期：2013年15-2] A new method for ketone enolate C-acylation is described which utilizes alkyl pentafluorophenylcarbonates, thiocarbonates, and thionocarbonates as the reactive acylating agents, and MgBr2 center dot Et2O, DMAP, and i-Pr2... Repetitive Synthetic Method for o,o,p-Oligophenylenes Using C-H Arylation [作者：MANABE KEI; KIMURA TAKESHI,期刊：Organic Letters, 页码：374-377 , 文章类型： Article，,卷期：2013年15-2] A synthetic method for the preparation of o,o,p-oligophenylenes has been developed. It involves Miura's C-H arylation of 2-biphenols with aryl nonaflates as the key step. Oligophenylenes with defined lengths are successf... Direct One-Pot Synthesis of Luotonin F and Analogues via Rational Logical Design [作者：ZHU YANPING; FEI ZHUAN; LIU MEICAI; JIA FENGCHENG; WU ANXIN,期刊：Organic Letters, 页码：378-381 , 文章类型： Article，,卷期：2013年15-2] An efficient one-pot synthetic protocol has been proposed for the synthesis of luntonin F from easily available starting materials. Through a rational logical design, multifundamental reactions (iodination, Kornblum oxid... Tetrasubstituted Olefinic Xanthene Dyes: Synthesis via Pd-Catalyzed 6-exo-dig Cyclization/C-H Activation of 2-Bromobenzyl-N-propargylamines and Solid State Fluorescence Properties [作者：NANDAKUMAR AVANASHIAPPAN; PERUMAL PARAMASIVAN THIRUMALAI,期刊：Organic Letters, 页码：382-385 , 文章类型： Article，,卷期：2013年15-2] Tetrasubstituted olefin based new xanthene derivatives have been synthesized via palladium-catalyzed carbopalladation/C-H activation of 2-bromobenzyl-N-propargylamine derivatives. The synthesized compounds display a pron... Addition of Cyclic Ureas and 1-Methyl-2-oxazolidone to Pyridynes: A New Approach to Pyridodiazepines, Pyridodiazocines, and Pyridooxazepines [作者：SAITO NOZOMI; NAKAMURA KENICHI; SHIBANO SAYAKO; IDE SOICHIRO; MINAMI MASABUMI; SATO YOSHIHIRO,期刊：Organic Letters, 页码：386-389 , 文章类型： Article，,卷期：2013年15-2] Reactions of pyridynes with cyclic urea and 1-methyl-2-oxazolidone were demonstrated. 3,4-Pyridyne and 2,3-pyridyne were reacted with N,N-dimethylimidazolidone, N,N-dimethylpropylene urea, and 1-methyl-2-oxazolidone to g... Hunanamycin A, an Antibiotic from a Marine-Derived Bacillus hunanensis [作者：HU YOUCAI; WANG KEZHAN; MACMILLAN JOHN B,期刊：Organic Letters, 页码：390-393 , 文章类型： Article，,卷期：2013年15-2] Hunanamycin A, the first natural product with a pyrido[1,2,3-de]quinoxaline-2,3-dione core, was isolated from a marine-derived Bacillus hunanensis. Hunanamycin A is related to a degradation product of riboflavin but has ... Stereocontrolled Synthesis of the AB Rings of Samaderine C [作者：BURNS DAVID J; MOMMER STEFAN; OBRIEN PETER; TAYLOR RICHARD J K; WHITWOOD ADRIAN C; HACHISU SHUJI,期刊：Organic Letters, 页码：394-397 , 文章类型： Article，,卷期：2013年15-2] A concise synthesis of the AB rings of samaderine C (12 steps, 8 isolation steps, 7.8% overall yield), a quassinoid with antifeedant and insecticidal activity, is described. The development of the first general approach ... Total Synthesis of Kingianin A [作者：LIM HEE NAM; PARKER KATHLYN A,期刊：Organic Letters, 页码：398-401 , 文章类型： Article，,卷期：2013年15-2] A 12-step synthesis of kingianin A, an inhibitor of the antiapoptotic protein Bcl-xL, Is based on a radical cation Diels-Alder reaction (RCDA). This approach is thought to be biomimetic. The use of a tether in the key RC... Total Synthesis of (+/-)-Cavicularin: Control of Pyrone Diels-Alder Regiochemistry Using Isomeric Vinyl Sulfones [作者：ZHAO PENG; BEAUDRY CHRISTOPHER M,期刊：Organic Letters, 页码：402-405 , 文章类型： Article，,卷期：2013年15-2] An intramolecular pyrone Diels-Alder reaction-elimination retro-Diels-Alder cascade of a vinyl sulfone was used in the synthesis of cavicularin, a molecule possessing conformational chirality. The vinyl sulfone substitut... Copper- and Iron-Catalyzed Decarboxylative Tri- and Difluoromethylation of alpha,beta-Unsaturated Carboxylic Acids with CF3SO2Na and (CF2HSO2)(2)Zn via a Radical Process [作者：LI ZEJIANG; CUI ZILI; LIU ZHONGQUAN,期刊：Organic Letters, 页码：406-409 , 文章类型： Article，,卷期：2013年15-2] A copper-catalyzed decarboxylative trifluoromethylation of various alpha,beta-unsaturated carboxylic acids by using a stable and inexpensive solid, sodium trifluoromethanesulfinate (CF3SO2Na, Langlois reagent), was devel... Synthesis of the Putative Structure of (+/-)-Amarbellisine [作者：LIU DANDAN; CHEN JINGBO; AI LONG; ZHANG HONGBIN; LIU JIANPING,期刊：Organic Letters, 页码：410-413 , 文章类型： Article，,卷期：2013年15-2] The title compound was synthesized mainly by palladium catalytic coupling, cyclopropyl ring-opening rearrangement, epoxidation, Swern oxidation, demethanol reactions, and selective reduction. This synthesis was achieved ... Nahuoic Acid A Produced by a Streptomyces sp Isolated From a Marine Sediment Is a Selective SAM-Competitive Inhibitor of the Histone Methyltransferase SETD8 [作者：WILLIAMS DAVID E; DALISAY DORALYN S; LI FENGLING; AMPHLETT JAMES; MANEERAT WISANU; CHAVEZ MIGUEL ANGEL GARCIA; WANG YAN ALEXANDER; MATAINAHO TEATULOHI; YU WENYU; BROWN PETER J; ARROWSMITH CHERYL H; VEDADI MASOUD; ANDERSEN RAYMOND J,期刊：Organic Letters, 页码：414-417 , 文章类型： Article，,卷期：2013年15-2] The histone lysine monomethyltransferase SETD8 is an epigenetic regulator of cell cycle progression. Nahuoic acid A (1), a polyketide produced in culture by a Streptomyces sp. obtained from a tropical marine sediment, is... Copper-Catalyzed Oxidative Cross-Coupling of H-Phosphonates and Amides to N-Acylphosphoramidates [作者：JIN XIONGJIE; YAMAGUCHI KAZUYA; MIZUNO NORITAKA,期刊：Organic Letters, 页码：418-421 , 文章类型： Article，,卷期：2013年15-2] A simple combination of copper(II) acetate (Cu(OAc)(2)) and an appropriate base could promote oxidative cross-coupling of H-phosphonates and amides using air as a terminal oxidant. The substrate scope was broad with resp... Synthesis of 3-Alkyl- or 3-Allenyl-2-amidobenzofurans via Electrophilic Cyclization of o-Anisole-Substituted Ynamides with Carbocations [作者：KONG YULONG; JIANG KEZHI; CAO JIAN; FU LINGZI; YU LIAN; LAI GUOQIAO; CUI YUMING; HU ZIQIANG; WANG GUANHAI,期刊：Organic Letters, 页码：422-425 , 文章类型： Article，,卷期：2013年15-2] A facile carbocation-induced electrophilic cyclization reaction has been developed for the synthesis of 3-alkyl- or 3-allenyl-2-amidobenzofurans from o-anisole-substituted ynamides and diarylmethanol or 1,1-diarylprop-2-...