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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77条记录   Carbene-Mediated Transformations of 1-(Benzylideneamino)benzimidazoles [作者：KATRITZKY ALAN R; JISHKARIANI DAVIT; SAKHUJA RAJEEV; HALL C DENNIS; STEEL PETER J,期刊：Journal of Organic Chemistry, 页码：4082-4087 , 文章类型： Article，,卷期：2011年76-10] Carbene-mediated transformations of N-(3-butyl-benzimidazol-3-ium-1-yl)-1-arylmethanimine iodides with carbon disulfide and benzoyl isothiocyanate gave the corresponding NHC center dot CS2 betaines in 68-85% and benzoyl-... Dithienothiophene (DTT)-Based Dyes for Dye-Sensitized Solar Cells: Synthesis of 2,6-Dibromo-DTT [作者：KWON TAEHYUK; ARMEL VANESSA; NATTESTAD ANDREW; MACFARLANE DOUGLAS R; BACH UDO; LIND SAMUEL J; GORDON KEITH C; TANG WEIHUA; JONES DAVID J; HOLMES ANDREW B,期刊：Journal of Organic Chemistry, 页码：4088-4093 , 文章类型： Article，,卷期：2011年76-10] A one-pot synthesis of 2,6-dibromodithieno [3,2-b;2', 3'-d]thiophene (dibromo-DTT, 4) was developed. A key step was bromo-decarboxylation of DTT-2,6-dicarboxylic acid, obtained by saponification of the diester 1. The don... Synthesis and Fucosidase Inhibitory Study of Unnatural Pyrrolidine Alkaloid 4-epi-(+)-Codonopsinine [作者：KOTLAND ALEXIS; ACCADBLED FABIEN; ROBEYNS KOEN; BEHR JEANBERNARD,期刊：Journal of Organic Chemistry, 页码：4094-4098 , 文章类型： Article，,卷期：2011年76-10] The total synthesis of enantiopure 4-epi-(+)-codonopsinine was achieved in 10 steps starting from D-ribose as a chiral building block. The key step involved a highly stereoselective nucleophilic addition of a Grignard re... Accessing C-1 Phosphonylated 2-Acylamino Uronic Acids via 2-Nitro-glycals [作者：BHATT BEENU; THOMSON ROBIN J; VON ITZSTEIN MARK,期刊：Journal of Organic Chemistry, 页码：4099-4104 , 文章类型： Article，,卷期：2011年76-10] Two approaches are described for the synthesis of 2-acylamino uronic acid glycosyl phosphonates from readily accessible D-glucal. The first approach that entailed oxidation of the C-6 hydroxyl group followed by phosphony... Synthesis of 3-Amino-4-fluoropyrazoles [作者：SURMONT RICCARDO; VERNIEST GUIDO; DE SCHRIJVER MATHIAS; THURING JAN WILLEM; TEN HOLTE PETER; DEROOSE FREDERIK; DE KIMPE NORBERT,期刊：Journal of Organic Chemistry, 页码：4105-4111 , 文章类型： Article，,卷期：2011年76-10] Fluorinated pyrazoles bearing additional functional groups that allow further functionalization are of considerable interest as building blocks in medicinal chemistry. The developed synthetic strategy for new 3-amino-4-f... Ytterbium-Catalyzed Conjugate Allylation of Alkylidene Malonates [作者：FALLAN CHARLENE; QUIGLEY PAUL F; LAM HON WAI,期刊：Journal of Organic Chemistry, 页码：4112-4118 , 文章类型： Article，,卷期：2011年76-10] Alkylidene malonates undergo efficient conjugate allylation upon treatment with allylstannanes or allylsilanes under the action of ytterbium catalysis. Organocatalyzed Enantioselective Michael Addition of 2-Hydroxy-1,4-naphthoquinone to beta,gamma-Unsaturated alpha-Ketophosphonates theta [作者：LIU TAO; WANG YOUMING; WU GUIPING; SONG HAIBIN; ZHOU ZHENGHONG; TANG CHUCHI,期刊：Journal of Organic Chemistry, 页码：4119-4124 , 文章类型： Article，,卷期：2011年76-10] By employing a cinchonine-based thiourea as catalyst, highly enantioselective Michael addition reactions of 2-hydroxy-1,4-naphthoquinone to beta,gamma-unsaturated alpha-ketophosphonates were realized. The reaction afford... The Journal of Organic Chemistry Implements Brief Communications [作者：POULTER C DALE; SMITH AMOS B III,期刊：Journal of Organic Chemistry, 页码：3615-3615 , 文章类型： Editorial Material，,卷期：2011年76-10] In Situ Evaluation of Kinetic Resolution Catalysts for Nitroaldol by Rationally Designed Fluorescence Probe [作者：MATSUMOTO TAKUYA; URANO YASUTERU; TAKAHASHI YOSHINORI; MORI YUSUKE; TERAI TAKUYA; NAGANO TETSUO,期刊：Journal of Organic Chemistry, 页码：3616-3625 , 文章类型： Article，,卷期：2011年76-10] Development of effective chemical catalysts is a key concern in organic chemistry. Therefore, convenient screening systems for chemical catalysts are required, and although some fluorescence-based HTS systems have been d... Synthesis of Conformationally Constrained 5-Fluoro- and 5-Hydroxymethanopyrrolidines. Ring-Puckered Mimics of Gauche- and Anti-3-Fluoro- and 3-Hydroxypyrrolidines [作者：KROW GRANT R; EDUPUGANTI RAM; GANDLA DEEPA; YU FANG; SENDER MATTHEW; SONNET PHILIP E; ZDILLA MICHAEL J; DEBROSSE CHARLES; CANNON KEVIN C; ROSS CHARLES W III; CHOUDHARY AMIT; SHOULDERS MATTHEW D; RAINES RONALD T,期刊：Journal of Organic Chemistry, 页码：3626-3634 , 文章类型： Article，,卷期：2011年76-10] N-Acetylmethanopyrrolidine methyl ester and its four 5-syn/anti-fluoro and hydroxy derivatives have been synthesized from 2-azabicyclo[2.2.0]hex-5-ene, a 1,2-dihydropyridine photoproduct. These conformationally constrain... Stictamides A-C, MMP12 Inhibitors Containing 4-Amino-3-hydroxy-5-phenylpentanoic Acid Subunits [作者：LIANG ZHIBIN; SORRIBAS ANALIA; SULZMAIER FLORIAN J; JIMENEZ JORGE I; WANG XIN; SAUVAGE THOMAS; YOSHIDA WESLEY Y; WANG GUANGYI; RAMOS JOE W; WILLIAMS PHILIP G,期刊：Journal of Organic Chemistry, 页码：3635-3643 , 文章类型： Article，,卷期：2011年76-10] An extensive study of the secondary metabolites produced by a new Sticta sp. of lichen has led to the isolation of three new compounds containing the 4-amino-3-hydroxy-5-phenylpentanoic acid residue (Ahppa). The structur... Formation of Polycyclic Lactones through a Ruthenium-Catalyzed Ring-Closing Metathesis/Hetero-Pauson-Khand Reaction Sequence [作者：FINNEGAN DAVID F; SNAPPER MARC L,期刊：Journal of Organic Chemistry, 页码：3644-3653 , 文章类型： Article，,卷期：2011年76-10] Processes that form multiple carbon-carbon bonds in one operation can generate molecular complexity quickly and therefore be used to shorten syntheses of desirable molecules. We selected the hetero-Pauson-Khand (HPK) cyc... Synthesis of Oligomeric 4-(Glycosyloxy)benzoate Macrocyclic Glycosides [作者：LI YALI; SUN JIANSONG; GONG YANQING; YU BIAO,期刊：Journal of Organic Chemistry, 页码：3654-3663 , 文章类型： Article，,卷期：2011年76-10] Clemoarmanoside A and Clemahexapetoside A, two novel cyclic dimers of 4-(glycosyloxy)benzoates containing the unusual D-allopyranose as one of the sugar units, were synthesized for the first time. The convenient syntheti... Calix[4]arenes with Two Different Chemical Modifications at the Bridges [作者：KUNO LEV; BIALI SILVIO E,期刊：Journal of Organic Chemistry, 页码：3664-3675 , 文章类型： Article，,卷期：2011年76-10] Hexabromocalix[4]arene derivatives (3a and 3b) possessing pairs of dibromomethylene and bromomethylene groups located at distal or proximal positions of the calix scaffold were prepared via photochemical bromination of t... Exploiting the Facile Release of Trifluoroacetate for the alpha-Methylenation of the Sterically Hindered Carbonyl Groups on (+)-Sclareolide and (-)-Eburnamonine [作者：RIOFSKI MARK V; JOHN JINU P; ZHENG MARY M; KIRSHNER JULIA; COLBY DAVID A,期刊：Journal of Organic Chemistry, 页码：3676-3683 , 文章类型： Article，,卷期：2011年76-10] An efficient method for the alpha-methylenation of carbonyl groups is reported, and this transformation is accomplished by a facile elimination of trifluoroacetate during the formation of the olefin. This method represen... Application of the Helquist Annulation in Lycopodium Alkaloid Synthesis: Unified Total Syntheses of (-)-8-Deoxyserratinine, (-)-Fawcettimine, and (+)-Lycoflexine [作者：YANG YURONG; SHEN LIANG; HUANG JIUZHONG; XU TAO; WEI KUN,期刊：Journal of Organic Chemistry, 页码：3684-3690 , 文章类型： Article，,卷期：2011年76-10] A unified strategy for total synthesis of the Lycopodium alkaloids (-)-8-deoxyserratinine (7), (+)-fawcettimine (1), and (+)-lycoflexine (4) is detailed. The key features include a highly efficient Helquist annulation to...