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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23条记录   Total Synthesis of Gabosines [作者：DINH HUNG MAC; CHANDRASEKHAR SRIVARI; GREE RENE,期刊：European Journal of Organic Chemistry, 页码：5881-5895 , 文章类型： Review，,卷期：2012年-30] This review reports on the total synthesis of gabosines, a family of secondary metabolites containing trihydroxylated cyclohexanone or cyclohexenone cores. Analysis of the different stategies used to prepare these natura... Tandem Aldol Condensation/Platinacycle-Catalyzed Addition Reactions of Aldehydes, Methyl Ketones, and Arylboronic Acids [作者：LIAO YUANXI; HU QIAOSHENG,期刊：European Journal of Organic Chemistry, 页码：5897-5901 , 文章类型： Article，,卷期：2012年-30] Aldol condensation of aldehydes with methyl ketones followed by anionic four-electron donor-based (type I) platinacycle-catalyzed addition reactions of arylboronic acids to form beta-arylated ketones is described. Good t... Cavity-Extended Pillar[5]arenes: Syntheses and Host-Guest Complexation with Paraquat and Bispyridinium Derivatives [作者：YU GUOCAN; ZHANG ZIBIN; HE JIUMING; ABLIZ ZEPER; HUANG FEIHE,期刊：European Journal of Organic Chemistry, 页码：5902-5907 , 文章类型： Article，,卷期：2012年-30] Cavity-extended pillar[5]arenes containing electron-rich naphthyl groups have been demonstrated to have enhanced binding affinity to linear guests containing electron-deficient pyridinium units. The importance of size ef... The Use of a Nitroxide Probe in DMSO to Capture Free Radicals in Particulate Pollution [作者：STEVANOVIC SVETLANA; MILJEVIC BRANKA; EAGLESHAM GEOFF K; BOTTLE STEVEN E; RISTOVSKI ZORAN D; FAIRFULLSMITH KATHRYN E,期刊：European Journal of Organic Chemistry, 页码：5908-5912 , 文章类型： Article，,卷期：2012年-30] A profluorescent nitroxide was used to evaluate the oxidative potential of pollution derived from a compression ignition engine fuelled with biodiesel. The reaction products responsible for the observed fluorescence incr... Chemoselective O-Benzylation of the Propargylic Hydroxy Group in Polyols [作者：LEE JI HO; OH CHANG HO,期刊：European Journal of Organic Chemistry, 页码：5913-5917 , 文章类型： Review，,卷期：2012年-30] We have discovered the highly chemoselective benzylation of propargylic hydroxy groups in the presence of other hydroxy groups under very usual conditions involving benzyl bromide and sodium hydroxide in DMF at room temp... Hydrogen-Bonding Thiourea Organocatalysts: The Privileged 3,5-Bis(trifluoromethyl)phenyl Group [作者：LIPPERT KATHARINA M; HOF KIRA; GERBIG DENNIS; LEY DAVID; HAUSMANN HEIKE; GUENTHER SABINE; SCHREINER PETER R,期刊：European Journal of Organic Chemistry, 页码：5919-5927 , 文章类型： Article，,卷期：2012年-30] We present evidence that the privileged use of the 3,5-bis(trifluoromethyl)phenyl group in thiourea organocatalysis is due to the involvement of the ortho-CH bond in the binding event with Lewis-basic sites. We utilized ... Synthesis of Unsaturated Macrocycles by Ru-Catalyzed Ring-Closing Metathesis: A Comparative Study [作者：GRISI FABIA; COSTABILE CHIARA; GRIMALDI ANNA; VISCARDI COLOMBA; SATURNINO CARMELA; LONGO PASQUALE,期刊：European Journal of Organic Chemistry, 页码：5928-5934 , 文章类型： Article，,卷期：2012年-30] The activity and stereoselectivity of phosphane- and N-heterocyclic carbene (NHC)-containing ruthenium benzylidene complexes have been evaluated in macrocyclic ring-closing olefin metathesis to produce unsaturated lacton... Potassium 4-Iodylbenzenesulfonate: Preparation, Structure, and Application as a Reagent for Oxidative Iodination of Arenes [作者：YUSUBOV MEKHMAN S; YUSUBOVA ROZA Y; NEMYKIN VICTOR N; MASKAEV ANDREY V; GERASKINA MARGARITA R; KIRSCHNING ANDREAS; ZHDANKIN VIKTOR V,期刊：European Journal of Organic Chemistry, 页码：5935-5942 , 文章类型： Article，,卷期：2012年-30] A new hypervalent iodine(V) compound, potassium 4-iodylbenzenesulfonate, was prepared by the oxidation of 4-iodobenzensulfonic acid with Oxone in water. This potassium salt can be further converted into 4-iodylbenzenesul... Palladium-Mediated Heck-Type Reactions of [(Bromodifluoromethyl)sulfonyl]benzene: Synthesis of alpha-Alkenyl- and alpha-Heteroaryl-Substituted alpha,alpha-Difluoromethyl Phenyl Sulfones [作者：SURAPANICH NAKIN; KUHAKARN CHUTIMA; POHMAKOTR MANAT; REUTRAKUL VICHAI,期刊：European Journal of Organic Chemistry, 页码：5943-5952 , 文章类型： Review，,卷期：2012年-30] Palladium-catalyzed Heck-type reactions of [(bromodifluoromethyl)sulfonyl]benzene (1) with styrene derivatives and heteroaromatic compounds successfully gave a-alkenyl- and a-heteroaryl-substituted a,a-difluoromethyl phe... Access to Some Angular Aminochromeno[2,3-c]pyrazole Precursors by a Domino Knoevenagel-hetero-Diels-Alder Reaction [作者：PARMAR NARSIDAS J; PANSURIYA BHAVESH R; LABANA BALVANTSINGH M; SUTARIYA TUSHAR R; KANT RAJNI; GUPTA VIVEK K,期刊：European Journal of Organic Chemistry, 页码：5953-5964 , 文章类型： Article，,卷期：2012年-30] A new, solvent-free tetrabutylammonium-hydrogensulfate-catalysed one-pot procedure to synthesise angular benzopyran-annulated pyrazoles, all of which incorporate a tertiary ring-junction carbon, has been demonstrated. A ... Synthesis of [2-(Trimethylsilyl)ethynyl]pyrazoles Based on Bis(trimethylsilyl)acetylene and Arylacetyl Chlorides [作者：PANKOVA ALENA S; GOLUBEV PAVEL R; ANANYEV IVAN V; KUZNETSOV MIKHAIL A,期刊：European Journal of Organic Chemistry, 页码：5965-5971 , 文章类型： Article，,卷期：2012年-30] A practical approach to the synthesis of [2-(trimethylsilyl)ethynyl]pyrazoles was developed through condensation of hydrazines with enynones that are easily accessible frombis(trimethylsilyl)acetylene and arylacetyl chlo... Late-Stage C-H Bond Arylation of Spirocyclic sigma(1) Ligands for Analysis of Complementary sigma(1) Receptor Surface [作者：MEYER CHRISTINA; SCHEPMANN DIRK; YANAGISAWA SHUICHI; YAMAGUCHI JUNICHIRO; ITAMI KENICHIRO; WUENSCH BERNHARD,期刊：European Journal of Organic Chemistry, 页码：5972-5979 , 文章类型： Article，,卷期：2012年-30] Direct CH bond arylation in the a- and beta-positions of spirocyclic thiophenes containing various functional groups (amine, ether, acetal, lactone) was accomplished. Selective phenylation in the a-position of the thioph... Asymmetric Synthesis of Potent and Selective sigma(1) Receptor Ligands with Tetrahydro-3-benzazepine Scaffold [作者：SARKAR SOUMYA; SCHEPMANN DIRK; KOEHLER JENS; FROEHLICH ROLAND; WUENSCH BERNHARD,期刊：European Journal of Organic Chemistry, 页码：5980-5990 , 文章类型： Article，,卷期：2012年-30] A new strategy for the synthesis of tetrahydro-3-benzazepinones 6 by reductive amination of keto acid 3 and subsequent carbonyl diimidazole (CDI) mediated cyclization was developed. Use of enantiomerically pure (R)-1-phe... Origin of the S(N)2 Benzylic Effect: Contributions by pi Delocalization and Field/Inductive Effects [作者：RAWLINGS ROBERT E; MCKERLIE ADAM K; BATES DANIEL J; MO YIRONG; KARTY JOEL M,期刊：European Journal of Organic Chemistry, 页码：5991-6004 , 文章类型： Article，,卷期：2012年-30] Historically, the SN2 benzylic effect is attributed to a conjugative stabilization between the phenyl ring and the reaction center in the transition state. However, recent papers have cast doubt on this explanation. We h... Insight into the Regioselectivity of Nucleophilic Ring-Opening of Azetidinium Ions Containing Quaternary Carbon Atoms [作者：DROUILLAT BRUNO; WRIGHT KAREN; DAVID OLIVIER; COUTY FRANCOIS,期刊：European Journal of Organic Chemistry, 页码：6005-6012 , 文章类型： Article，,卷期：2012年-30] A set of azetidinium ions each bearing a quaternary carbon atom a to the nitrogen atom were synthesized. These compounds were treated with three different nuclophiles: azide, cyanide and acetate anions. Examination of th... Regiochemical Reversals in Nitrosobenzene Reactions with Carbonyl Compounds - alpha-Aminooxy Ketone versus alpha-Hydroxyamino Ketone Products [作者：NELSON DONNA J; KUMAR RAVI; SHAGUFTA,期刊：European Journal of Organic Chemistry, 页码：6013-6020 , 文章类型： Article，,卷期：2012年-30] The Lewis acid catalyzed reaction of nitrosobenzene with a ketone can produce an a-aminooxy ketone or an a-hydroxyamino ketone; the reaction regiochemistry switches from the latter to the former upon the addition of a Le...