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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69条记录   Synthesis of (-)-Hamigeran B. [作者：Taber, Douglass F.;Tian, Weiwei;,期刊：Journal of Organic Chemistry, 页码：7560-7564 , 文章类型： 研究论文，,卷期：2008年73-19] The synthesis of (-)-hamigeran B (I) has been achieved, based on a new approach to cyclopentane construction, the rhodium-mediated intramol. C-H insertion of a-aryl-a-diazoketones. The endo-iso-Pr group was installed by... A New Family of Tunable Indolylphosphine Ligands by One-Pot Assembly and Their Applications in Suzuki-Miyaura Coupling of Aryl Chlorides. [作者：So, Chau Ming;Yeung, Chung Chiu;Lau, Chak Po;Kwong, Fuk Yee;,期刊：Journal of Organic Chemistry, 页码：7803-7806 , 文章类型： 研究论文，,卷期：2008年73-19] This study describes a new class of indolylphosphine ligands, e.g. I, which can be easily accessed by a simple one-pot assembly from com. available indoles, acid chlorides, and chlorophosphines. A combination of these t... Enantioselective Synthesis of SNAP-7941: Chiral Dihydropyrimidone Inhibitor of MCH1-R. [作者：Goss, Jennifer M.;Schaus, Scott E.;,期刊：Journal of Organic Chemistry, 页码：7651-7656 , 文章类型： 研究论文，,卷期：2008年73-19] An enantioselective synthesis of SNAP-7941 I, a potent melanin concg. hormone receptor antagonist, was achieved by using two organocatalytic methods. The first method utilized to synthesize the enantioenriched dihydropy... Total Synthesis and Proof of Relative Stereochemistry of (-)-Aureonitol. [作者：Jervis, Peter J.;Cox, Liam R.;,期刊：Journal of Organic Chemistry, 页码：7616-7624 , 文章类型： 研究论文，,卷期：2008年73-19] Two trisubstituted epimeric tetrahydrofurans, I and II, have been synthesized in order to confirm the relative stereochem. in the natural product aureonitol. The key step in the synthesis of I and II involved a stereose... A Novel Synthesis of 1-Nosyl 3,3-Dichloro-b-Lactams and Derivatives. [作者：Tato, Francisco;Reboul, Vincent;Metzner, Patrick;,期刊：Journal of Organic Chemistry, 页码：7837-7840 , 文章类型： 研究论文，,卷期：2008年73-19] We report herein an efficient and simple route to synthesize 1-nosyl 3,3-dichloro-b-lactams I (R = Ph, 2-naphthyl, 2-FC6H4, etc.) using a Staudinger reaction between N-nosyl imines and dichloroketene. The resulting dich... Carbon-Hydrogen Bond Functionalization Approach for the Synthesis of Fluorenones and ortho-Arylated Benzonitriles. [作者：Shabashov, Dmitry;Molina Maldonado, Jesus R.;Daugulis, Olafs;,期刊：Journal of Organic Chemistry, 页码：7818-7821 , 文章类型： 研究论文，,卷期：2008年73-19] A sequence consisting of palladium-catalyzed benzamide ortho-arylation/reaction with (CF3CO)2O was developed allowing a convenient one-pot synthesis of ortho-arylated benzonitriles and fluorenone derivs. The outcome of ... Reactivity of a 10-I-3 Hypervalent Iodine Trifluoromethylation Reagent With Phenols. [作者：Stanek, Kyrill;Koller, Raffael;Togni, Antonio;,期刊：Journal of Organic Chemistry, 页码：7678-7685 , 文章类型： 研究论文，,卷期：2008年73-19] The reaction of the 10-I-3 hypervalent iodine electrophilic trifluoromethylation reagent 1-trifluoromethyl-1,2-benziodoxol-3-(1H)-one with 2,4,6-trimethylphenol, after deprotonation with NaH and in the presence of 18-cro... Cross-Coupling of Cyclopropyl- and Cyclobutyltrifluoroborates with Aryl and Heteroaryl Chlorides. [作者：Molander, Gary A.;Gormisky, Paul E.;,期刊：Journal of Organic Chemistry, 页码：7481-7485 , 文章类型： 研究论文，,卷期：2008年73-19] Suitable conditions were found for the Suzuki-Miyaura cross-coupling reaction of potassium cyclopropyl- and cyclobutyltrifluoroborates with aryl chlorides. Both of these secondary alkyl trifluoroborates coupled in moder... A Versatile and Highly Stereoselective Access to Vinyl Triflates Derived from 1,3-Dicarbonyl and Related Compounds. [作者：Specklin, Simon;Bertus, Philippe;Weibel, Jean-Marc;Pale, Patrick;,期刊：Journal of Organic Chemistry, 页码：7845-7848 , 文章类型： 研究论文，,卷期：2008年73-19] 1,3-Dicarbonyl derivs., such as 1,3-diketones, b-ketoaldehydes, b-ketoesters, b-ketoamides, b-ketophosphonates and b-ketosulfones were efficiently converted to the corresponding Z vinyl triflates with high stereoselectiv... Generation of Nitrile Oxides under Nanometer Micelles Built in Neutral Aqueous Media: Synthesis of Novel Glycal-Based Chiral Synthons and Optically Pure 2,8-Dioxabicyclo[4.4.0]decene Core. [作者：Chatterjee, Nirbhik;Pandit, Palash;Halder, Samiran;Patra, Amarendra;Maiti, Dilip K.;,期刊：Journal of Organic Chemistry, 页码：7775-7778 , 文章类型： 研究论文，,卷期：2008年73-19] A highly efficient strategy for chemoselective oxidn. of aldoximes to nitrile oxides by iodosobenzene in neutral aq. media is reported. Their in situ intermol. 1,3-dipolar cycloaddn. (1,3-DC) with olefins in nanometer a... Synthesis of Cribrostatin 6. [作者：Markey, Michael D.;Kelly, T. Ross;,期刊：Journal of Organic Chemistry, 页码：7441-7443 , 文章类型： 研究论文，,卷期：2008年73-19] The synthesis of cribrostatin 6 (I) is described. A regioselective bromination, a biaryl coupling, and an intramol. cyclization are the key steps in the synthesis. Auto-Tandem Catalysis in the Synthesis of Substituted Quinolines from Aldimines and Electron-Rich Olefins: Cascade Povarov-Hydrogen-Transfer Reaction. [作者：Shindoh, Naoya;Tokuyama, Hidetoshi;Takemoto, Yoshiji;Takasu, Kiyosei;,期刊：Journal of Organic Chemistry, 页码：7451-7456 , 文章类型： 研究论文，,卷期：2008年73-19] A catalytic cascade inverse electron demand hetero-Diels-Alder reaction (Povarov reaction) and hydrogen-transfer process is demonstrated. The reaction of electron-rich olefins and excess amt. of imines in the presence o... Synthesis of Benzo[f]isoindole-4,9-diones. [作者：Claessens, Sven;Jacobs, Jan;Van Aeken, Sam;Tehrani, Kourosch Abbaspour;De Kimpe, Norbert;,期刊：Journal of Organic Chemistry, 页码：7555-7559 , 文章类型： 研究论文，,卷期：2008年73-19] A synthesis of benzo[f]isoindole-4,9-diones I (R = tBu, iPr, allyl, nPr, cyclohexyl, benzyl) is presented, starting from the reaction of 2,3-bis(bromomethyl)-1,4-dimethoxynaphthalene with primary amines, affording 2,3-bi... 5- and 6-Exocyclic Products, cis-2,3,5-Trisubstituted Tetrahydrofurans, and cis-2,3,6-Trisubstituted Tetrahydropyrans via Prins-Type Cyclization.(I) [作者：Chavre, Satish. N.;Choo, Hyunah;Lee, Jae Kyun;Pae, Ae Nim;Kim, Youseung;Cho, Yong Seo;,期刊：Journal of Organic Chemistry, 页码：7467-7471 , 文章类型： 研究论文，,卷期：2008年73-19] Exocyclic products having cis-2,5 and cis-2,6 substitution were synthesized from terminally substituted alkynyl alcs., e.g. I [X = (CH2)n, n = 1, 2], with various aldehydes via Prins-type cyclization in good yields. It i... Synthesis of Uridine 5'-diphosphoiduronic Acid: A Potential Substrate for the Chemoenzymatic Synthesis of Heparin. [作者：Weiwer, Michel;Sherwood, Trevor;Green, Dixy E.;Chen, Miao;DeAngelis, Paul L.;Liu, Jian;Linhardt, Robert J.;,期刊：Journal of Organic Chemistry, 页码：7631-7637 , 文章类型： 研究论文，,卷期：2008年73-19] structurally defined heparin oligosaccharides. The chemoenzymic synthesis of heparin oligosaccharides relies on glycosyltransferases that use UDP-sugar nucleotides as donors. Uridine 5'-diphosphoiduronic acid (UDP-IdoA... Convenient Temporary Methyl Imidate Protection of N-Acetylglucosamine and Glycosylation at O-4. [作者：Cheng, Anderson;Hendel, Jenifer L.;Colangelo, Kimberley;Bonin, Michael;Auzanneau, France-Isabelle;,期刊：Journal of Organic Chemistry, 页码：7574-7579 , 文章类型： 研究论文，,卷期：2008年73-19] This paper expands on the scope and utility of the temporary conversion of N-acetyl groups to alkyl imidates when attempting to glycosylate at O-4 of N-acetylglucosamine acceptors. The optimized synthesis of alkyl imida...