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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18条记录   A Convenient Approach to 16-, 19-, and 22-Membered 2,2 '-Bipyridine Thiacrown Ethers and Their Conformation Preferences [作者：LAWECKA JUSTYNA; KARCZMARZYK ZBIGNIEW; WOLINSKA EWA; BRANOWSKA DANUTA; RYKOWSKI ANDRZEJ,期刊：European Journal of Organic Chemistry, 页码：4868-4875 , 文章类型： Article，,卷期：2010年-25] A convenient, three-step synthesis of 1: 1 thiacrown ether macrocycles 5a-c containing a fused cyclopenteno[c] 2,2'-bipyridine subunit has been accomplished through first homocoupling of 1,2,4-triazine bisulfides 3a-c te... Functionalized Chiral Ionic Liquid Catalyzed Asymmetric S(N)1 alpha-Alkylation of Ketones and Aldehydes [作者：ZHANG LONG; CUI LINGYUN; LI XIN; LI JIUYUAN; LUO SANZHONG; CHENG JINPEI,期刊：European Journal of Organic Chemistry, 页码：4876-4885 , 文章类型： Article，,卷期：2010年-25] Pyrrolidine-derived functionalized chiral ionic liquids (FCILs) have been found to catalyze asymmetric S(N)1 alpha-alkylations of ketones and aldehydes with up to 99% yield, >99:1 dr and 87% ee. The FCIL catalysts enable... Permanganate Oxidation Revisited: Synthesis of 3-Deoxy-2-uloses via Indium-Mediated Chain Elongation of Carbohydrates [作者：SCHMOELZER CHRISTOPH; FISCHER MICHAEL; SCHMID WALTHER,期刊：European Journal of Organic Chemistry, 页码：4886-4892 , 文章类型： Article，,卷期：2010年-25] Application of the Barbier-type indium-mediated allylation method to suitable substrates offers access to carbohydrates bearing a terminal olefin moiety. The C-C bond forming reaction generates a defined stereochemistry ... Formamidines - Versatile Ligands for Zinc-Catalyzed Hydrosilylation and Iron-Catalyzed Epoxidation Reactions [作者：ENTHALER STEPHAN; SCHROEDER KRISTIN; INOUE SHIGEYOSHI; ECKHARDT BJOERN; JUNGE KATHRIN; BELLER MATTHIAS; DRIESS MATTHIAS,期刊：European Journal of Organic Chemistry, 页码：4893-4901 , 文章类型： Article，,卷期：2010年-25] In the present study the abilities of catalysts modified by formamidine ligands have been examined in the zinc-catalyzed hydrosilylation of ketones and the iron-catalyzed epoxidation of stilbene. In case of hydrosilylati... Self-Terminating Radical Cyclizations: How Are Thiyl Radicals Performing? [作者：TAN KRISTINE J; WHITE JONATHAN M; WILLE UTA,期刊：European Journal of Organic Chemistry, 页码：4902-4911 , 文章类型： Article，,卷期：2010年-25] The performance of thiyl radicals RS center dot in "self-terminating radical cyclisations" was explored. Using the medium-sized cyclodecyne (1) as model system, the reaction of PhS center dot generated by photolysis of (... Metal-Catalyzed Cycloisomerization and Tandem Oxycyclization/Hydroxylation of Alkynols: Synthesis of Nonfused, Spiranic and Fused Oxabicyclic beta-Lactams [作者：ALCAIDE BENITO; ALMENDROS PEDRO; MARTINEZ DEL CAMPO TERESA; CARRASCOSA ROCIO,期刊：European Journal of Organic Chemistry, 页码：4912-4919 , 文章类型： Article，,卷期：2010年-25] 2-Azetidinone-tethered alkynols, readily prepared from the corresponding aldehydes or ketones, were used as starting materials for the oxycyclization reaction catalyzed by precious metals. AgOAc exclusively affords dihyd... Systematic Study of Halide-Induced Ring Opening of 2-Substituted Aziridinium Salts and Theoretical Rationalization of the Reaction Pathways [作者：DHOOGHE MATTHIAS; CATAK SARON; STANKOVIC SONJA; WAROQUIER MICHEL; KIM YONGEUN; HA HYUNJOON; VAN SPEYBROECK VERONIQUE; DE KIMPE NORBERT,期刊：European Journal of Organic Chemistry, 页码：4920-4931 , 文章类型： Article，,卷期：2010年-25] The ring-opening reactions of 2-alkyl-substituted 1,1-bis(arylmethyl)- and 1-methyl-1-(1-phenylethyl) aziridinium salts with fluoride, chloride, bromide and iodide in acetonitrile have been evaluated for the first time i... 27-to 39-Membered Pyridine Macrocycles [作者：LUENING ULRICH; MAK ELLEN; ZINDLER MELANIE; HARTKOPF BRITTA; HERGES RAINER,期刊：European Journal of Organic Chemistry, 页码：4932-4940 , 文章类型： Article，,卷期：2010年-25] A set of 27- to 39-membered pyridine macrocycles 2 and 3 has been synthesized by Williamson ether synthesis or ring-closing metathesis. The pyridines are 2,6-disubstituted to allow low endo interactions. In addition to t... Recent Progress in the Chemically Catalyzed Enantioselective Synthesis of Cyanohydrins [作者：WANG WENTAO; LIU XIAOHUA; LIN LILI; FENG XIAOMING,期刊：European Journal of Organic Chemistry, 页码：4751-4769 , 文章类型： Review，,卷期：2010年-25] The catalytic enantioselective cyanation of aldehydes and ketones has received growing attention because the resulting enantiomerically pure cyanohydrins are versatile building blocks for many biologically active compoun... Asymmetric Synthesis of (-)-Lentiginosine by Double Aza-Michael Reaction [作者：LIU SINWEI; HSU HECHU; CHANG CHIAOHSIN; TSAI HUIHSU GAVIN; HOU DUENREN,期刊：European Journal of Organic Chemistry, 页码：4771-4773 , 文章类型： Article，,卷期：2010年-25] Total synthesis of (-)-lentiginosine (1) was achieved in nine steps from (3R, 4R)-3,4-dihydroxy-1,5-hexadiene (2). Cross metathesis, vinyl addition and DDQ oxidation were applied to generate the key 3-oxonona-1,4,8-trien... Protecting-Group Directed Stereoselective Intramolecular Nozaki-Hiyama-Kishi Reaction: A Concise and Efficient Total Synthesis of Amphidinolactone A [作者：MOHAPATRA DEBENDRA K; DAS PRAGNA P; PATTANAYAK MANAS R; GAYATRI GADDAMANUGU; SASTRY G NARAHARI; YADAV J S,期刊：European Journal of Organic Chemistry, 页码：4775-4784 , 文章类型： Article，,卷期：2010年-25] A convergent total synthesis of amphidinolactone A, a cytotoxic macrolide from the cultured dinoflagellate Amphidinium sp., is described in 13 linear steps. The key step in the synthetic sequence involves an intramolecul... Conversion of Conjugated Enones into Enantiomerically Pure beta-Hydroxy Ketones or 1,3-Diols - Samarium(II) Bromide Reductions of Protected alpha,beta-Dihydroxy Ketones [作者：ZOERB ANDREAS; BRUECKNER REINHARD,期刊：European Journal of Organic Chemistry, 页码：4785-4801 , 文章类型： Article，,卷期：2010年-25] Asymmetric dihydroxylations of alpha,beta-unsaturated ketones in the presence of Sharpless' AD mix-beta (TM) delivered alpha,beta-dihydroxy ketones or, if phenylboronic acid was present, the corresponding phenylboronates... Stereocontrolled Synthesis of 1,3,5-Triols by an Iteration of Asymmetric Dihydroxylation and Deoxygenation [作者：WALLESER PATRICK; BRUECKNER REINHARD,期刊：European Journal of Organic Chemistry, 页码：4802-4822 , 文章类型： Article，,卷期：2010年-25] Asymmetric dihydroxylation of the C-gamma=C-delta bonds in trans-configured alpha,beta,gamma,delta-unsaturated esters, carbonate formation, and Pd-0-catalyzed deoxygenation of C-gamma provided alpha,beta-unsaturated delt... Facile Synthesis of Substituted Mono-, Di-, Tri- and Tetra-2-aryl-2,3-dihydro-1H-perimidines [作者：MARTINEZ BELMONTE MARTA; ESCUDEROADAN EDUARDO C; BENETBUCHHOLZ JORDI; HAAK ROBERT M; KLEIJ ARJAN W,期刊：European Journal of Organic Chemistry, 页码：4823-4831 , 文章类型： Article，,卷期：2010年-25] The efficient synthesis of a variety of substituted 2-aryl-2,3-dihydro-1H-perimidines using Zn-catalysis is reported. A series of 2,3-dihydroperimidines with various functional groups have been isolated in high yield by ... Expeditious Synthesis of Imidazole- and Pyrrole-Fused Benzodiazocines [作者：MISHRA AMITA; BATRA SANJAY,期刊：European Journal of Organic Chemistry, 页码：4832-4840 , 文章类型： Article，,卷期：2010年-25] A straightforward strategy for the synthesis of imidazole-fused benzodiazocine from 1-(2-nitrophenyl)-1H-imidazole-2-carbaldehyde via Morita-Baylis-Hillman reaction followed by reductive intramolecular cyclization is des... 2,5-Disubstituted Pyrrolidines as Chiral Auxiliaries in Radical Reactions: A Theoretical Approach [作者：GEORGIEVA MIGLENA K; DUARTE FILIPE J S; BAKALOVA SNEZHANA M; GIL SANTOS A,期刊：European Journal of Organic Chemistry, 页码：4841-4850 , 文章类型： Article，,卷期：2010年-25] The radical addition to amides derived from chiral 2,5-disubstituted pyrrolidines has been theoretically studied by the use of density functional methods and the results compared with known experimental data. The results...