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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57条记录   A Stereocontrolled Synthesis of (+/-)-Xenovenine via a Scandium(III)-Catalyzed Internal Aminodiene Bicyclization Terminated by a 2-(5-Ethyl-2-thienyl)ethenyl Group [作者：JIANG TAO; LIVINGHOUSE TOM,期刊：Organic Letters, 页码：4271-4273 , 文章类型： Article，,卷期：2010年12-19] A highly diastereoselective binary hydroamination of a 5-amino-1,8-diene containing a 2-(5-ethyl-2-thienyl)ethenyl terminator has been utilized in an efficient synthesis of (+/-)-xenovenine (1). A pronounced rate enhance... Rhenium-Catalyzed Diastereoselective Synthesis of Aminoindanes via the Insertion of Allenes into a C-H Bond [作者：KUNINOBU YOICHIRO; YU PENG; TAKAI KAZUHIKO,期刊：Organic Letters, 页码：4274-4276 , 文章类型： Article，,卷期：2010年12-19] Aminoindane derivatives were synthesized diastereoselectively by the treatment of aromatic imines with allenes in the presence of a catalytic amount of a rhenium complex, [HRe(CO)(4)](n). The allenes inserted into the ar... Iron-Catalyzed Heterocycle and Arene Deprotonative Alkylation [作者：TRAN LY DIEU; DAUGULIS OLAFS,期刊：Organic Letters, 页码：4277-4279 , 文章类型： Article，,卷期：2010年12-19] A method for iron-catalyzed deprotonative alkylation of arene C-H bonds by alkyl iodides and bromides has been developed. In the presence of an amide base, both primary and secondary alkyl halides can be coupled with fur... Molybdenum-Mediated Carbonylation of Aryl Halides with Nucleophiles Using Microwave Irradiation [作者：ROBERTS BRYAN; LIPTROT DAVID; ALCARAZ LILIAN; LUKER TIM; STOCKS MICHAEL J,期刊：Organic Letters, 页码：4280-4283 , 文章类型： Article，,卷期：2010年12-19] A new, efficient, and practical molybdenum-mediated carbonylation of aryl and heteroaryl halides with a variety of nucleophiles is described using microwave irradiation. A range of reactions illustrating the wide scope o... A Biomimetic Total Synthesis of (+)-Ainsliadimer A [作者：LI CHAO; YU XUELIANG; LEI XIAOGUANG,期刊：Organic Letters, 页码：4284-4287 , 文章类型： Article，,卷期：2010年12-19] A protecting group free and biomimetic total synthesis of (+)-ainsliadimer A has been accomplished in 14 steps from a-santonin. The synthesis relies on a hydrogen bonding promoted [4 + 2]-hetero-Diels-Alder dimerization ... Synthesis of Highly Fluorinated 2,2 '-Biphenols and 2,2 '-Bisanisoles [作者：FRANCKE ROBERT; SCHNAKENBURG GREGOR; WALDVOGEL SIEGFRIED R,期刊：Organic Letters, 页码：4288-4291 , 文章类型： Article，,卷期：2010年12-19] Multiply fluorine-substituted iodo anisoles are efficiently coupled in an Ullmann-type reaction to provide the corresponding bisanisoles. The coupling is selective and even tolerates bromo moieties. Subsequent deprotecti... Monanchocidin: A New Apoptosis-Inducing Polycyclic Guanidine Alkaloid from the Marine Sponge Monanchora pulchra [作者：GUZII ALLA G; MAKARIEVA TATYANA N; DENISENKO VLADIMIR A; DMITRENOK PAVEL S; KUZMICH ALEXANDRA S; DYSHLOVOY SERGEY A; KRASOKHIN VLADIMIR B; STONIK VALENTIN A,期刊：Organic Letters, 页码：4292-4295 , 文章类型： Article，,卷期：2010年12-19] Monanchocidin (1), a guanidine alkaloid with an unprecedented skeleton system derived from a polyketide precursor, (omega-3)-hydroxy fatty acid, and containing a 2-aminoethyl- and 3-aminopropyl-substituted morpholine hem... Catalytic Asymmetric Synthesis of Quaternary alpha-Hydroxy Trifluoromethyl Phosphonate via Chiral Aluminum(III) Catalyzed Hydrophosphonylation of Trifluoromethyl Ketones [作者：ZHOU XIN; ZHANG QI; HUI YONGHAI; CHEN WEILIANG; JIANG JUN; LIN LILI; LIU XIAOHUA; FENG XIAOMING,期刊：Organic Letters, 页码：4296-4299 , 文章类型： Article，,卷期：2010年12-19] The chiral hydrogenated tridentate Schiff base aluminum(III) complex has been first applied in the catalytic enantioselective hydrophosphonylation of trifluoromethyl ketones. The side reactions related to phospha-Brook r... Synthesis of Inherently Chiral Azacalix[4]arenes and Diazadioxacalix[4]arenes [作者：KATZ JEFFREY L; TSCHAEN BRITTANY A,期刊：Organic Letters, 页码：4300-4303 , 文章类型： Article，,卷期：2010年12-19] Described are nucleophilic aromatic substitution reactions for the synthesis of inherently chiral azacalix[4]arenes and diazadioxacalix[4]arenes comprised of two or three different aromatic monomers. A variety of functio... Pericyclic Reaction of a Zwitterionic Salt of an Enedione-diazoester. A Novel Strategy for the Synthesis of Highly Functionalized Resorcinols [作者：LIU YU; BAKSHI KANWARPAL; ZAVALIJ PETER; DOYLE MICHAEL P,期刊：Organic Letters, 页码：4304-4307 , 文章类型： Article，,卷期：2010年12-19] Enedione-diazoesters formed from 3-TBSO-2-diazo-3-butenoates undergo base-catalyzed pericyclization that with dinitrogen extrusion and methyl migration provide a novel and efficient route to 2-carboalkoxyresorcinols. Int... Total Synthesis and Biological Evaluation of Tyroscherin [作者：TAE HYUN SEOP; HINES JOHN; SCHNEEKLOTH ASHLEY R; CREWS CRAIG M,期刊：Organic Letters, 页码：4308-4311 , 文章类型： Article，,卷期：2010年12-19] The efficient synthesis and biological evaluation of both the reported and revised structures of tyroscherin have been achieved. Central to our synthesis is a cross metathesis reaction that generated the trans-olefin reg... Selective Acetylation of per-O-TMS-Protected Monosaccharides [作者：WITSCHI MARK A; GERVAYHAGUE JACQUELYN,期刊：Organic Letters, 页码：4312-4315 , 文章类型： Article，,卷期：2010年12-19] Selective acetylation of various per-O-TMS-protected carbohydrates has been accomplished. Using a protecting group exchange strategy and microwave assistance, monosaccharides (glucose, galactose, and mannose) can be sele... Stereodivergent Construction of Aminodiols with a CF3 Group [作者：OBINATA RYUSUKE; KAWASAKITAKASUKA TOMOKO; YAMAZAKI TAKASHI,期刊：Organic Letters, 页码：4316-4319 , 文章类型： Article，,卷期：2010年12-19] A stereodivergent synthesis of various 2-amino-1,3-diols and 3-amino-1,2-diols from a single intermediate, 2,3-epoxyketones, is described. Palladium-Catalyzed Direct Arylation of Free NH2-Substituted Thiophene Derivatives [作者：DERRIDJ FAZIA; ROGER JULIEN; DJEBBAR SAFIA; DOUCET HENRI,期刊：Organic Letters, 页码：4320-4323 , 文章类型： Article，,卷期：2010年12-19] The palladium-catalyzed direct 2- or 5-arylation of some free NH2-substituted thiophene derivatives was found to proceed in high yields using a variety of aryl bromides. In the course of these reactions, no coupling of t... Carbanionic Route to Electroactive Carbon-Centered Anion and Radical Oligomers [作者：DANE ERIC L; SWAGER TIMOTHY M,期刊：Organic Letters, 页码：4324-4327 , 文章类型： Article，,卷期：2010年12-19] The synthesis of poly-1,3-bisdiphenylene-2-phenyl allyl (BDPA) radicals via a new anionic oligomerization strategy is reported. The material displays a reversible reduction from the orange-red radical to the blue carbani... Synthesis of a Lactone Diastereomer of the Cembranolide Uprolide D [作者：MARSHALL JAMES A; GRIOT CELINE A; CHOBANIAN HARRY R; MYERS WILLIAM H,期刊：Organic Letters, 页码：4328-4331 , 文章类型： Article，,卷期：2010年12-19] A convergent stereoselective synthesis of a C1/C14 bis-epimer of uprolide D is described in which an intramolecular Barbier-type reaction was employed for macrocyclization with concomitant introduction of the C1 and C14 ...