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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60条记录   Asymmetric 1,4-Addition of Arylboronic Acids to 2,3-Dihydro-4-pyridones Catalyzed by Axially Chiral NHC-Pd(II) Complexes [作者：XU QIN; ZHANG RUI; ZHANG TAO; SHI MIN,期刊：Journal of Organic Chemistry, 页码：3935-3937 , 文章类型： Article，,卷期：2010年75-11] Axially chiral cis-chelated bidentate bis(N-heterocyclic carbene)-palladium(II) complexes are effective catalysts for the asymmetric conjugate addition of arylboronic acids to 2,3-dihydro-4-pyridones, producing the synth... Amino Acyl Conjugates of Nitrogen Heterocycles as Potential Pharmacophores [作者：KATRITZKY ALAN R; BAJAJ KIRAN; CHARPENTIER MAEL; ZADEH EBRAHIM GHAZVINI,期刊：Journal of Organic Chemistry, 页码：3938-3940 , 文章类型： Article，,卷期：2010年75-11] 2-Methyl- and 4-methylpyridine and 2-methylquinoline are converted by benzotriazole-activated (Cbz)-protected amino acids into chiral potential novel pharmacophore aminoacyl conjugates (33-53%). Formal Total Syntheses of (+)-Prelaureatin and (+)-Laurallene by Diastereoseleetive Brook Rearrangement-Mediated [3+4] Annulation [作者：SASAKI MICHIKO; OYAMADA KAZUHISA; TAKEDA KEI,期刊：Journal of Organic Chemistry, 页码：3941-3943 , 文章类型： Article，,卷期：2010年75-11] The formal syntheses of (+)-prelaureatin (1) and (+)-laurallene (2), halogenated eight-membered-ring, ethers, are described. The key step of our strategy relies on diastereoselective construction of a trans-alpha,alpha'-... Regioselective Approach to Phosphatidylinositol 3,5-Bisphosphates: Syntheses of the Native Phospholipid and Biotinylated Short-Chain Derivative [作者：ANDERSON REGAN J; OSBORNE SHONA L; MEUNIER FREDERIC A; PAINTER GAVIN F,期刊：Journal of Organic Chemistry, 页码：3541-3551 , 文章类型： Article，,卷期：2010年75-11] A selective bis-silylation of 1D-O-TBDPS-myo-inositol leads to a 1,3,5-trisubstituted inositol, which can be advanced to the headgroup of phosphatidylinositol-3,5-bisphosphate [PI(3,5)P-2]. A mild, regioselective method ... Highly alpha-Selective Synthesis of Sialyl Spirohydantoins by Regiospecific Domino Condensation/O -> N Acyl Migration/N-Sialylation of Carbodiimides with Peracetylated Sialic Acid [作者：ZHANG DENGYOU; YE DEJU; FENG ENGUANG; WANG JINFANG; SHI JIANMEI; JIANG HUALIANG; LIU HONG,期刊：Journal of Organic Chemistry, 页码：3552-3557 , 文章类型： Article，,卷期：2010年75-11] A novel and efficient process for the synthesis of a-sialyl spirohydantoin analogues via one-pot sequential reaction involving various carbodiimides and peracetylated Neu5Ac is reported. BF2 center dot Et2O mediating int... Highly Stereoselective de Novo Synthesis of L-Hexoses [作者：GUARAGNA ANNALISA; DALONZO DANIELE; PAOLELLA CONCETTA; NAPOLITANO CARMELA; PALUMBO GIOVANNI,期刊：Journal of Organic Chemistry, 页码：3558-3568 , 文章类型： Article，,卷期：2010年75-11] An efficient and general de novo synthetic route to enantiomerically pure L-hexoses has been accomplished starting from the heterocyclic homologating agent 5,6-dihydro-1,4-dithiin-2-yl[(4-methoxybentyl)oxy]methane and me... Tandem Intramolecular Photocycloaddition-Retro-Mannich Fragmentation as a Route to Spiro[pyrrolidine-3,3 '-oxindoles]. Total Synthesis of (+/-)-Coerulescine, (+/-)-Horsfiline, (+/-)-Elacomine, and (+/-)-6-Deoxyelacomine [作者：WHITE JAMES D; LI YANG; IHLE DAVID C,期刊：Journal of Organic Chemistry, 页码：3569-3577 , 文章类型： Article，,卷期：2010年75-11] Irradiation of a tryptamine linked through its side-chain nitrogen to an alkylidene malonate residue results in an intramolecular [2 + 2] cycloaddition to the indole 2,3-double bond. The resultant cyclobutane undergoes s... Asymmetric Synthesis of 2-Alkyl-Substituted 2,5-Dihydropyrroles from Optically Active Aza-Baylis-Hillman Adducts. Formal Synthesis of (-)-Trachelanthamidine [作者：ISHIKAWA SHINGO; NOGUCHI FUMIAKI; KAMIMURA AKIO,期刊：Journal of Organic Chemistry, 页码：3578-3586 , 文章类型： Article，,卷期：2010年75-11] A series of optically active 2-alkyl-substituted 2,5-dihydropyrroles were prepared via the asymmetric aza-Baylis-Hillman equivalent reaction and subsequent ring-closure metathesis reaction. Optically active aza-Baylis-Hi... Mechanistic Studies on the Cis to Trans Epimerization of Trisubstituted 1,2,3,4-Tetrahydro-beta-carbolines [作者：VAN LINN MICHAEL L; COOK JAMES M,期刊：Journal of Organic Chemistry, 页码：3587-3599 , 文章类型： Article，,卷期：2010年75-11] It is well-known that N-b-benzyltryptophan alkyl esters undergo the Pictet-Spengler reaction with aldehydes to furnish both and trans-1,2,3,4-tetrahydro-beta-carbolines, with the trans isomer predominating. Epimerization... Effective Enlargement of Fluorescence Resonance Energy Transfer of Poly-Porphyrin Mediated by beta-Cyclodextrin Dimers [作者：GU ZHUOYI; GUO DONGSHENG; SUN MO; LIU YU,期刊：Journal of Organic Chemistry, 页码：3600-3607 , 文章类型： Article，,卷期：2010年75-11] 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacene bridged bis(permethyl-beta-cyclodextrins) I was synthesized successfully through click chemistry, and it forms a well-defined linear assembly with 5,10,15,20-tetrakis(4-sulfonat... The mechanism of the Stevens and Sommelet-Hauser Rearrangements. A Theoretical Study [作者：GHIGO GIOVANNI; CAGNINA STEFANIA; MARANZANA ANDREA; TONACHINI GLAUCO,期刊：Journal of Organic Chemistry, 页码：3608-3617 , 文章类型： Article，,卷期：2010年75-11] The [1,2] and [2,3] migration steps in the Stevens and Sommelet-Hauser rearrangements which occur in the ylides of quaternary ammonium salts have been studied at M05-2x levels. The Stevens migration has been found to tak... Site-Selective Bimodal Absorption and Emission of Distonic Radical Cation [作者：TOJO SACHIKO; FUJITSUKA MAMORU; MAJIMA TETSUO,期刊：Journal of Organic Chemistry, 页码：3618-3625 , 文章类型： Article，,卷期：2010年75-11] An acyclic 1,4-distonic diner radical cation (DAE(2)(center dot+)) was generated from the dimerization of 1,1-bis(4-methoxyphenyl)ethylene radical cation (DAE(center dot+)) with the neutral molecule (DAE) in solution. Th...