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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51条记录   Design and Synthesis of Isonucleosides Constructed on a 2-Oxa-6-thiabicyclo[3.2.0]heptane Scaffold [作者：YOSHIMURA YUICHI; ASAMI KAZUHIRO; IMAMICHI TOMOZUMI; OKUDA TOMOKO; SHIRAKI KIMIYASU; TAKAHATA HIROKI,期刊：Journal of Organic Chemistry, 页码：4161-4171 , 文章类型： Article，,卷期：2010年75-12] A novel method for the design and synthesis of an isonucleoside containing a 2-oxa-6-thiobicyclo[3.2.0]heptane skeleton is described. 2,2-Dimethy1-1,3-dioxan-5-one 13 was converted into a dioxabicyclohexane derivative in... Synthesis and Studies of Thiacorroles [作者：SHETTI VIJAYENDRA S; PRABHU UDAY R; RAVIKANTH MANGALAMPALLI,期刊：Journal of Organic Chemistry, 页码：4172-4182 , 文章类型： Article，,卷期：2010年75-12] The first examples of stable 22-thiacorroles containing a direct pyrrole pyrrole bond were synthesized using thiophene monocarbinols as key precursors. Condensation of 1 equiv of thiophene monocarbinol with 1 equiv of su... Synthesis of 1,3-Dialkyl-1,2,3-triazolium Ionic Liquids and Their Applications to the Baylis-Hillman Reaction [作者：JEONG YUNKYUNG; RYU JAESANG,期刊：Journal of Organic Chemistry, 页码：4183-4191 , 文章类型： Article，,卷期：2010年75-12] Novel 1,3-dialkyl-1,2,3-triazolium ionic liquids were synthesized via click reactions using 1-trimethylsilylacetylene and alkyl azides and were efficient reaction media for the Baylis-Hillman reaction. The problems assoc... Synthetic Studies on Schisandra nortriterpenoids. Stereocontrolled Synthesis of Enantiopure C-5-epi ABC Ring Systems of Micrandilactone A and Lancifodilactone G Using RCM [作者：MAITY SOUMITRA; MATCHA KIRAN; GHOSH SUBRATA,期刊：Journal of Organic Chemistry, 页码：4192-4200 , 文章类型： Article，,卷期：2010年75-12] A stereocontrolled approach for the construction of ABC ring systems of micrandilactone A and lancifodilactone G has been developed. The synthesis involves construction of an enantiopure functionalized cycloheptene deriv... One-Pot Construction of Multiple Contiguous Chiral Centers Using Michael Addition of Chiral Amine [作者：OZEKI MINORU; OCHI SHUNSUKE; HAYAMA NOBORU; HOSOI SHINZO; KAJIMOTO TETSUYA; NODE MANABU,期刊：Journal of Organic Chemistry, 页码：4201-4211 , 文章类型： Article，,卷期：2010年75-12] Multiple contiguous chiral centers were constructed in one pot using three types of multistep reactions initiated with the Michael addition of N-benzyl-2(R)-methoxy-(+)-10-bornylamide to alpha,beta-unsaturated esters, i.... Enhanced Reactivity of RC=CZ(-) (R = H and Cl; Z = O, S, and Se) and the Influence of Leaving Group on the alpha-Effect in the E2 Reactions [作者：WEI XIGUANG; SUN XIAOMING; WU XIAOPENG; REN YI; WONG NINGBEW; LI WAIKEE,期刊：Journal of Organic Chemistry, 页码：4212-4217 , 文章类型： Article，,卷期：2010年75-12] The enhanced reactivity exhibited by six pseudo-a-bases, RC=CZ(-) (R = H and Cl; Z = O, S, and Se) in gas-phase E2 reactions with ethyl chloride was examined at the G2(+) level. It is found that anomalous reactivity is o... Bisnicalaterines B and C, Atropisomeric Bisindole Alkaloids from Hunteria zeylanica, Showing Vasorelaxant Activity [作者：HIRASAWA YUSUKE; HARA MAYUMI; NUGROHO ALFARIUS E; SUGAI MASATOMO; ZAIMA KAZUMASA; KAWAHARA NOBUO; GODA YUKIHIRO; AWANG KHALIJAH; HADI A HAMID A; LITAUDON MARC; MORITA HIROSHI,期刊：Journal of Organic Chemistry, 页码：4218-4223 , 文章类型： Article，,卷期：2010年75-12] Two new bisindole alkaloids, bisnicalaterines B and C (1 and 2) consisting of an eburnane and a corynanthe type of skeletons, were isolated from the bark of Hunteria zeylanica. Their absolute structures were determined b... Stereoselective Syntheses of Four Diastereomers of 3,9,12-Trihydroxycalamenene via a Benzobicyclo[3.3.1] Intermediate [作者：SUN YONGQUAN; YU BINXUN; WANG XIAOLEI; TANG SHIBING; SHE XUEGONG; PAN XINFU,期刊：Journal of Organic Chemistry, 页码：4224-4229 , 文章类型： Article，,卷期：2010年75-12] The highly stereoselective syntheses of four diastereomers of natural 3,9,12-trihydroxycalamenene are described. The syntheses highlight the utility of an unusual framework of benzobicyclo[3.3.1] lactones, which were acc... Asymmetric Synthesis of the Cytotoxic Marine Natural Product (+)-Awajanomycin and Its C-11 Epimer [作者：FU RUI; YE JIANLIANG; DAI XIJIE; RUAN YUANPING; HUANG PEIQIANG,期刊：Journal of Organic Chemistry, 页码：4230-4243 , 文章类型： Article，,卷期：2010年75-12] Full details of the convergent synthetic approach to awajanomycin, and the first total syntheses of the marine natural product (+)-awajanomycin (1) and its C-11 epimer 38 by an improved 13-step approach, are described. T... Intramolecular Charge Transfer in the Gas Phase: Fragmentation of Protonated Sulfonamides in Mass Spectrometry [作者：HU NAN; TU YAPING; JIANG KEZHI; PAN YUANJIANG,期刊：Journal of Organic Chemistry, 页码：4244-4250 , 文章类型： Article，,卷期：2010年75-12] The fragmentation of protonated molecules (MH+) in mass spectrometry usually results in even-electron product ions, but the MH+ ions of sulfonamides are different as they often produce dominant radical cations of the con... High-Pressure Diels-Alder Cycloadditions between Benzylideneacetones and 1,3-Butadienes: Application to the Synthesis of (R,R)-(-)- and (S,S)-(+)-Delta(8)-Tetrahydrocannabinol [作者：BALLERINI ELEONORA; MINUTI LUCIO; PIERMATTI ORIANA,期刊：Journal of Organic Chemistry, 页码：4251-4260 , 文章类型： Article，,卷期：2010年75-12] High-pressure Diels-Alder reactions of various alkoxy/alkyl-substituted benzylideneacetones with methyl-1,3-butadienes are reported. Activation by high pressure (8-11 kbar) in combination with the mild Lewis acid HfCl4 c... Phospha-Munchnones: Electronic Structures and 1,3-Dipolar Cycloadditions [作者：STCYR DANIEL J; MORIN MARIE S T; BELANGERGARIEPY FRANCINE; ARNDTSEN BRUCE A; KRENSKE ELIZABETH H; HOUK K N,期刊：Journal of Organic Chemistry, 页码：4261-4273 , 文章类型： Article，,卷期：2010年75-12] The reaction of imines, acid chlorides, PR3, and base generates a new class of 1,3-dipoles: phospha-Munchnones. These 1,3-dipoles can undergo cycloadditions with alkynes followed by loss of phosphine oxides to form pyrro... Enolates in 3-D: An Experimental and Computational Study of Deprotonated 2-Adamantanone [作者：MEYER MATTHEW M; KASS STEVEN R,期刊：Journal of Organic Chemistry, 页码：4274-4279 , 文章类型： Article，,卷期：2010年75-12] Deprotonation of 2-adamantanone (1) in the gas phase affords the corresponding beta-enolate anion. This ion was independently prepared by the fluoride-induced desilylation of 4-trimethylsilyl-2-adamantanone, and its reac... Self-Assembled Morphologies from C-2- and C-3-Symmetric Biotin Conjugates [作者：JOSHI K B; KRISHNA K VIJAYA; VERMA SANDEEP,期刊：Journal of Organic Chemistry, 页码：4280-4283 , 文章类型： Article，,卷期：2010年75-12] Synthesis and characterization of C-2- and C-3-symmetric D-biotin conjugates has been realized, followed by the investigation of solution state self-assembly behavior of these conjugates by various microscopy techniques.... Stereoselective Synthesis of beta-Phenylselenoglycosides from Glycals and Rationalization of the Selenoglycosylation Processes [作者：DI BUSSOLO VALERIA; FIASELLA ANNALISA; BALZANO FEDERICA; BARRETTA GLORIA UCCELLO; CROTTI PAOLO,期刊：Journal of Organic Chemistry, 页码：4284-4287 , 文章类型： Article，,卷期：2010年75-12] beta-Phenylselenoglycosides have been efficiently and stereoselectively synthesized by direct oxidative glycosylation of benzenselenolate (PhSe-) with glycals. A rationalization of the presently described beta-selectivit... Facile Iterative Synthesis of 2,5-Terpyrimidinylenes as Nonpeptidic alpha-Helical Mimics [作者：ANDERSON LAURA; ZHOU MINGZHOU; SHARMA VASUDHA; MCLAUGHLIN JILLIAN M; SANTIAGO DANIEL N; FRONCZEK FRANK R; GUIDA WAYNE C; MCLAUGHLIN MARK L,期刊：Journal of Organic Chemistry, 页码：4288-4291 , 文章类型： Article，,卷期：2010年75-12] A facile iterative synthesis of 2,5-terpyrimidinylenes that are structurally analogous to alpha-helix mimics is presented. Condensation of amidines with readily prepared alpha,beta-unsaturated alpha-cyanoketones gives 5-...