个性化文献订阅>文章检索

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65条记录   Stereoselective Total Synthesis of (+)-Oploxyne A, (-)-Oploxyne B, and Their C-10 Epimers and Structure Revision of Natural Oploxyne B [作者：YADAV J S; BOYAPELLY KUMARASWAMY; ALUGUBELLI SATHISH REDDY; PABBARAJA SRIHARI; VANGALA JANAKIRAM R; KALIVENDI SHASI V,期刊：Journal of Organic Chemistry, 页码：2568-2576 , 文章类型： Article，,卷期：2011年76-8] The first total synthesis of recently isolated diacetylene alcohols oploxyne A, oploxyne B, and their C-10 epimers was accomplished. The structure of natural oploxyne B has been revised. The key steps involved are base-i... Synthesis of the Azaphilones (+)-Sclerotiorin and (+)-8-O-Methylsclerotiorinamine Utilizing (+)-Sparteine Surrogates in Copper-Mediated Oxidative Dearomatization [作者：GERMAIN ANDREW R; BRUGGEMEYER DANIEL M; ZHU JIANGLONG; GENET CEDRIC; OBRIEN PETER; PORCO JOHN A JR,期刊：Journal of Organic Chemistry, 页码：2577-2584 , 文章类型： Article，,卷期：2011年76-8] Enantioselective syntheses of the azaphilone natural products (+)-sclerotiorin and (+)-8-O-methylsclerotiorinamine that possess the natural R-configuration at the quaternary center are reported. The syntheses were accomp... Dirhodium-Catalyzed Phenol and Aniline Oxidations with T-HYDRO. Substrate Scope and Mechanism of Oxidation [作者：RATNIKOV MAXIM O; FARKAS LINDA E; MCLAUGHLIN EMILY C; CHIOU GRACE; CHOI HOJAE; ELKHALAFY SAHAR H; DOYLE MICHAEL P,期刊：Journal of Organic Chemistry, 页码：2585-2593 , 文章类型： Article，,卷期：2011年76-8] Dirhodium caprolactamate, Rh-2(cap)(4), is a very efficient catalyst for the generation of the tert-butylperoxy radical from tert-butyl hydroperoxide, and the tert-butylperoxy radical is a highly effective oxidant for ph... Asymmetric Synthesis of an Antagonist of Neurokinin Receptors: SSR 2415861 [作者：METRO THOMASXAVIER; COCHI ANNE; PARDO DOMINGO GOMEZ; COSSY JANINE,期刊：Journal of Organic Chemistry, 页码：2594-2602 , 文章类型： Article，,卷期：2011年76-8] SSR 241586 is a 2,2-disubstituted morpholine, developed by Sanofi-Aventis, which is active in the treatment of schizophrenia and irritable bowel syndrome (IBS). Different strategies have been studied to synthesize this m... Structure Elucidation and Absolute Stereochemistry of Isomeric Monoterpene Chromane Esters [作者：BATISTA JOAO M JR; BATISTA ANDREA N L; MOTA JONAS S; CASS QUEZIA B; KATO MASSUO J; BOLZANI VANDERLAN S; FREEDMAN TERESA B; LOPEZ SILVIA N; FURLAN MAYSA; NAFIE LAURENCE A,期刊：Journal of Organic Chemistry, 页码：2603-2612 , 文章类型： Article，,卷期：2011年76-8] Six novel monoterpene chromane esters were isolated from the aerial parts of Peperomia obtusifolia (Piperaceae) using chiral chromatography. This is the first time that chiral chromane esters of this kind, ones with a te... Tandem Catalysis: From Alkynoic Acids and Aryl Iodides to 1,2,3-Triazoles in One Pot [作者：KOLAROVIC ANDREJ; SCHNUERCH MICHAEL; MIHOVILOVIC MARKO D,期刊：Journal of Organic Chemistry, 页码：2613-2618 , 文章类型： Article，,卷期：2011年76-8] A tandem catalysis protocol based on decarboxylative coupling of alkynoic acids and 1,3-dipolar cycloaddition of azides enables a highly efficient synthesis of a variety of functionalized 1,2,3-triazoles. The three-step,... Putting the Mechanism of the Soai Reaction to the Test: DFT Study of the Role of Aldehyde and Dialkylzinc Structure [作者：ERCOLANI GIANFRANCO; SCHIAFFINO LUCA,期刊：Journal of Organic Chemistry, 页码：2619-2626 , 文章类型： Article，,卷期：2011年76-8] Previous DFT calculations provided support to the proposal that the Soai reaction involves a mechanism in which dimer catalysts serve as templates for the reaction of two molecules of dialkylzinc with two molecules of al... Synthesis of trans-A(2)B(2)-Porphyrins Bearing Phenylethynyl Substituents [作者：NOWAKKROL AGNIESZKA; KOSZARNA BEATA; YOO SU YEON; CHROMINSKI JAN; WECLAWSKI MAREK K; LEE CHANGHEE; GRYKO DANIEL T,期刊：Journal of Organic Chemistry, 页码：2627-2634 , 文章类型： Article，,卷期：2011年76-8] Efficient and convenient conditions for the preparation of trans-A(2)B(2)-porphyrins bearing two phenylethynyl moieties directly from phenylpropargyl aldehydes and dipyrromethanes of diversified lipophilicity and reactiv... Asymmetric Synthesis of 1,3-Diamines. II: Diastereoselective Reduction of Atropisomeric N-tert-Butanesulfinylketimines [作者：MARTJUGA MARINA; BELYAKOV SERGEY; LIEPINSH EDVARDS; SUNA EDGARS,期刊：Journal of Organic Chemistry, 页码：2635-2647 , 文章类型： Article，,卷期：2011年76-8] Chiral, nonracemic o-aminobenzylamines were prepared in a highly diastereoselective reduction of atropisomeric N-tert-butanesulfinylketimines. The ortho-substituent ensures the distinct reactivity of atropisomers 4d-f. T... Synthesis of Oligo(alpha-D-glycosyl phosphate) Derivatives by a Phosphoramidite Method via Boranophosphate Intermediates [作者：FUJITA SHOICHI; OKA NATSUHISA; MATSUMURA FUMIKO; WADA TAKESHI,期刊：Journal of Organic Chemistry, 页码：2648-2659 , 文章类型： Article，,卷期：2011年76-8] An efficient method for the synthesis of short oligo(alpha-o-glycosyl boranophosphate) derivatives by using an alpha-D-glycosyl phosphoramidite as a monomer unit was developed. The synthesis of oligomers was carried out ... Mono-and Dicarbonyl-Bridged Tricyclic Heterocyclic Acceptors: Synthesis and Electronic Properties [作者：GETMANENKO YULIA A; RISKO CHAD; TONGWA PAUL; KIM EUNGGUN; LI HONG; SANDHU BHUPINDER; TIMOFEEVA TATIANA; BREDAS JEANLUC; MARDER SETH R,期刊：Journal of Organic Chemistry, 页码：2660-2671 , 文章类型： Article，,卷期：2011年76-8] A series of trialkylsilyl-substituted 2,2'-dithiophene, 4,4'-di-n-hexy1-2,2'-dithiophene, 5,5'-dithiazole, and 2,2'-diselenophene with carbonyl (2a-d) and alpha-dicarbonyl bridges (3a-d) were prepared from readily availa... Acid- and Base-Catalysis in the Mononuclear Rearrangement of Some (Z)-Arylhydrazones of 5-Amino-3-benzoyl-1,2,4-oxadiazole in Toluene: Effect of Substituents on the Course of Reaction [作者：DANNA FRANCESCA; FRENNA VINCENZO; GHELFI FRANCO; MARULLO SALVATORE; SPINELLI DOMENICO,期刊：Journal of Organic Chemistry, 页码：2672-2679 , 文章类型： Article，,卷期：2011年76-8] The reaction rates for the rearrangement of eleven (Z)-arylhydrazones of 5-amino-3-benzoyl-1,2,4-oxadiazole 3a-k into the relevant (2-aryl-5-phenyl-2H-1,2,3-triazol-4-yl)ureas 4a-k in the presence of trichloroacetic acid... Direct Arylation of Simple Azoles Catalyzed by 1,10-Phenanthroline Containing Palladium Complexes: An Investigation of C4 Arylation of Azoles and the Synthesis of Triarylated Azoles by Sequential Arylation [作者：SHIBAHARA FUMITOSHI; YAMAGUCHI EIJI; MURAI TOSHIAKI,期刊：Journal of Organic Chemistry, 页码：2680-2693 , 文章类型： Article，,卷期：2011年76-8] Direct triarylation and sequential triarylation [Pd(phen)(2)]PF6 are described. Simple azoles, such as N-methylimidazole, thiazole, and oxazole, were observed to undergo triaryaltion reactions even at their C4 positions ... Total Synthesis of (-)-Cocaine and (-)-Ferruginine [作者：CHENG GUOLIN; WANG XINYAN; ZHU RUI; SHAO CHANGWEI; XU JIMIN; HU YUEFEI,期刊：Journal of Organic Chemistry, 页码：2694-2700 , 文章类型： Article，,卷期：2011年76-8] Total synthesis of tropane alkaloids (-)-cocaine and (-)-ferruginine were accomplished in nine steps each and in 55% and 46% overall yields, respectively, starting from the known Betti base derivative (+)-(7aR,10R,12S)-1... Synthesis and Properties of Conjugated Oligoyne-Centered pi-Extended Tetrathiafulvalene Analogues and Related Macromolecular Systems [作者：CHEN GUANG; MAHMUD ILIAS; DAWE LOUISE N; DANIELS LEE M; ZHAO YUMING,期刊：Journal of Organic Chemistry, 页码：2701-2715 , 文章类型： Article，,卷期：2011年76-8] Alkynyl-substituted phenyldithiafulvenes have been found to act as versatile building blocks for the construction of pi-conjugated molecular rods, shape-persistent macrocycles (SPMs), and conducting polymers. Through Cu(... From Cationic to Anionic Helicenes: New Reactivity through Umpolung [作者：CONREAUX DAVID; MEHANNA NATHALIE; HERSE CHRISTELLE; LACOUR JEROME,期刊：Journal of Organic Chemistry, 页码：2716-2722 , 文章类型： Article，,卷期：2011年76-8] Using a two-step reduction/metalation procedure, highly stable chiral carbenium ions are transformed into reactive carbanion intermediates. Interesting polar ketone and thioamide products are the results of this umpolung...