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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45条记录   Diastereoselective Synthesis of (+/-)-Heliotropamide by a One-Pot, Four-Component Reaction [作者：YOUNAI ASHKAAN; CHIN GREGORY F; SHAW JARED T,期刊：Journal of Organic Chemistry, 页码：8333-8336 , 文章类型： Article，,卷期：2010年75-23] The first synthesis of heliotropamide is reported. The preparation of this 2-oxopyrrolidine (gamma-lactam) natural product relied on a diastereoselective one-pot, four-component reaction (4CR) for the assembly of the cor... Capturing the Essence of Organic Synthesis: From Bioactive Natural Products to Designed Molecules in Today's Medicine [作者：GHOSH ARUN K,期刊：Journal of Organic Chemistry, 页码：7967-7989 , 文章类型： Article，,卷期：2010年75-23] In this Perspective, I outline my group's research involving the chemical syntheses of medicinally important natural products, exploration of their bioactivity, and the development of new asymmetric carbon-carbon bond-fo... Mannosazide Methyl Uronate Donors. Glycosylating Properties and Use in the Construction of beta-ManNAcA-Containing Oligosaccharides [作者：WALVOORT MARTHE T C; LODDER GERRIT; OVERKLEEFT HERMAN S; CODEE JEROEN D C; VAN DER MAREL GIJSBERT A,期刊：Journal of Organic Chemistry, 页码：7990-8002 , 文章类型： Article，,卷期：2010年75-23] Mannosazide methyl uronate donors equipped with a variety of anomeric leaving groups (beta- and a-S-phenyl, beta- and alpha-N-phenyltrifluoroacetimidates, hydroxyl, P-sulfoxide, and (R-s)- and (S-s)-alpha-sulfoxides) wer... Reductive Openings of Benzylidene Acetals Revisited: A Mechanistic Scheme for Regio- and Stereoselectivity [作者：JOHNSSON RICHARD; OHLIN MARKUS; ELLERVIK ULF,期刊：Journal of Organic Chemistry, 页码：8003-8011 , 文章类型： Article，,卷期：2010年75-23] Despite the importance of regioselective reductive openings of cyclic acetals, mechanistic details are scarce. In this study 4,6-O-benzylidene acetals were used as model compounds for deciphering the mechanism of regiose... Grassypeptolides A-C, Cytotoxic Bis-thiazoline Containing Marine Cyclodepsipeptides [作者：KWAN JASON C; RATNAYAKE RANJALA; ABBOUD KHALIL A; PAUL VALERIE J; LUESCH HENDRIK,期刊：Journal of Organic Chemistry, 页码：8012-8023 , 文章类型： Article，,卷期：2010年75-23] Grassypeptolides A-C (1-3), a group of closely related bis-thiazoline containing cyclic depsipeptides, have been isolated from extracts of the marine cyanobacterium Lyngbya confervoides. Although structural differences b... Conversion of 1,4-Diketones into para-Disubstituted Benzenes [作者：ZIFFLE VINCENT E; CHENG PING; CLIVE DERRICK L J,期刊：Journal of Organic Chemistry, 页码：8024-8038 , 文章类型： Article，,卷期：2010年75-23] Reaction of acetylides with aldehydes to form but-2-yne-1,4-diols, followed by triple bond reduction and oxidation of the hydroxyl groups, gives 1,4-diketones; these react with vinyllithium, and, the resulting diols unde... Different Reactivity of Hydroxylamine with Carbamoyl Azides and Carbamoyl Cyanides: Synthesis of Hydroxyureas and Carbamoyl Amidoximes [作者：PAZ JAIRO; PEREZBALADO CARLOS; IGLESIAS BEATRIZ; MUNOZ LUIS,期刊：Journal of Organic Chemistry, 页码：8039-8047 , 文章类型： Article，,卷期：2010年75-23] The carbamoylating agents carbamoyl azides and carbamoyl cyanides (aka cyanoformamides) react with hydroxylamine in different ways, leading in the first case to N-hydroxyureas and, in the case of carbamoyl cyanides, to c... Substituent Effects on the Electron Affinities and Ionization Energies of Tria-, Penta-, and Heptafulvenes: A Computational Investigation [作者：DAHLSTRAND CHRISTIAN; YAMAZAKI KAORU; KILSA KRISTINE; OTTOSSON HENRIK,期刊：Journal of Organic Chemistry, 页码：8060-8068 , 文章类型： Article，,卷期：2010年75-23] The extent of substituent influence on the vertical electron affinities (EAs) and ionization energies (IEs) of 43 substituted tria-, penta-, and heptafulvenes was examined computationally at the OVGF/6-311G(d)//B3LYP/6-3... Synthesis, Self-Assembly, and Charge Transporting Property of Contorted Tetrabenzocoronenes [作者：ZHANG XIAOJIE; JIANG XIAOXIA; ZHANG KAI; MAO LU; LUO JING; CHI CHUNYAN; CHAN HARDY SZE ON; WU JISHAN,期刊：Journal of Organic Chemistry, 页码：8069-8077 , 文章类型： Article，,卷期：2010年75-23] A facile route has been developed for the preparation of a new family of contorted 1.2,3.4,7.8,9.10-tetrabenzocoronenes (TBCs). A two-step cyclization reaction, i.e., oxidative photocyclization followed by FeCl3-mediated... Synthetic Approaches to Bicyclic Diazenium Salts [作者：WYMAN J; JAVED M I; ALBATAINEH N; BREWER M,期刊：Journal of Organic Chemistry, 页码：8078-8087 , 文章类型： Article，,卷期：2010年75-23] Bicyclic diazenium salts have been prepared from alpha-chloroazo species via a Lewis acid-mediated intramolecular cycloaddition. An alternative, more direct, route to these salts by the reaction of hydrazones with dimeth... Synthesis, Spectra, and Theoretical Investigations of the Triarylamines Based on 6H-Indolo[2,3-b]quinoxaline [作者：THOMAS K R JUSTIN; TYAGI PAYAL,期刊：Journal of Organic Chemistry, 页码：8100-8111 , 文章类型： Article，,卷期：2010年75-23] Triarylamines containing a 6H-indolo[2,3-b]quinoxaline core and aromatic units such as phenyl, naphthyl, pyrene, anthracene, or fluorene have been synthesized by employing palladium-catalyzed C-N and C-C coupling reactio... Halide Ions Complex and Deprotonate Dipicolinamides and Isophthalamides: Assessment by Mass Spectrometry and UV-Visible Spectroscopy [作者：CARASEL I ALEXANDRU; YAMNITZ CARL R; WINTER RUDOLPH K; GOKEL GEORGE W,期刊：Journal of Organic Chemistry, 页码：8112-8116 , 文章类型： Article，,卷期：2010年75-23] The F-, Cl-, and Br- binding selectivity of bis(p-nitroanilide)s of dipicolinic and isophthalic acids was studied by using competitive electrospray mass spectrometry and UV-Visible spectroscopy. Both hosts prefer binding... Kinetics and Mechanism of N-Boc Cleavage: Evidence of a Second-Order Dependence upon Acid Concentration [作者：ASHWORTH IAN W; COX BRIAN G; MEYRICK BRIAN,期刊：Journal of Organic Chemistry, 页码：8117-8125 , 文章类型： Article，,卷期：2010年75-23] The kinetics of the HCl-catalyzed deprotection of the Boc-protected amine, thioester 2 to liberate AZD3409 1 have been studied in a mixture of toluene and propan-2-ol. The reaction rate was found to exhibit a second-orde... Iron-Mediated Radical Halo-Nitration of Alkenes [作者：TANIGUCHI TSUYOSHI; FUJII TATSUYA; ISHIBASHI HIROYUKI,期刊：Journal of Organic Chemistry, 页码：8126-8132 , 文章类型： Article，,卷期：2010年75-23] Radical halo-nitration of alkenes using iron(III) nitrate nonahydrate and halogen salt has been developed. The present reaction proceeds by radical addition of nitrogen dioxide generated by thermal decomposition of iron(... Syntheses of the Enantiomers of 1-Deoxynojirimycin and 1-Deoxyaltronojirimycin via Chemo- and Diastereoselective Olefinic Oxidation of Unsaturated Amines [作者：BAGAL SHARAN K; DAVIES STEPHEN G; LEE JAMES A; ROBERTS PAUL M; SCOTT PHILIP M; THOMSON JAMES E,期刊：Journal of Organic Chemistry, 页码：8133-8146 , 文章类型： Article，,卷期：2010年75-23] Oxidation of enantiomerically pure (R)-N(1)-1`-(1 ''-naphthyl)ethyl-2,7dihydro-1H-azepine with m-CPBA in the presence of HBF4 and BnOH gave (3S,4R,5S,6S, 1`R)-N(1)-1`-(1 ''-naphthyl)ethyl-3-hydroxy-4-benzyloxy-5,6-epoxya... Stereochemistry as a Tool in Deciphering the Processes of a Tandem Iminium Cyclization and Smiles Rearrangement [作者：XIANG JINBAO; ZHU TONG; DANG QUN; BAI XU,期刊：Journal of Organic Chemistry, 页码：8147-8154 , 文章类型： Article，,卷期：2010年75-23] To understand the detailed mechanism of a recently reported tandem iminium cyclization and Smiles rearrangement, the reaction processes of a chiral substrate were investigated by monitoring its stereochemical courses. Un...