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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34条记录   Synthesis of 3,4-Diarylbenzophenones by Site-Selective Suzuki-Miyaura Reactions of 3,4-Bis(trifluoromethylsulfonyloxy)benzophenone [作者：NAWAZ MUHAMMAD; KHERA RASHEED AHMAD; MALIK IMRAN; IBAD MUHAMMAD FAROOQ; ABID OBAIDURRAHMAN; VILLINGER ALEXANDER; LANGER PETER,期刊：SYNLETT, 页码：979-981 , 文章类型： Article，,卷期：2010年-6] The Suzuki-Miyaura reaction of the bis(triflate) of 3,4-dihydroxybenzophenone with two equivalents of boronic acids gave 3,4-diarylbenzophenones. The reaction with one equivalent of arylboronic acids resulted in site-sel... Exploratory Studies en Route to 5-Alkyl-Hyacinthacines: Synthesis of 5-epi-(-)-Hyacinthacine A(3) and (-)-Hyacinthacine A(3) [作者：HU XIANGGUO; JIA YUEMEI; XIANG JUNFENG; YU CHUYI,期刊：SYNLETT, 页码：982-986 , 文章类型： Article，,卷期：2010年-6] Synthesis of 5-epi-(-)-hyacinthacine A(3) and (-)-hyacinthacine A(3) has been achieved from the D-xylose-derived polyhydroxylated cyclic nitrone. Our synthetic strategy is potentially general and flexible for the synthes... Well-Documented Applications of p-Phenylenediamine in the Synthesis of Heterocycles and Heterocrown Ethers [作者：KONER RIK RANI,期刊：SYNLETT, 页码：987-988 , 文章类型： Editorial Material，,卷期：2010年-6] Benzyltriphenylphosphonium Peroxymonosulfate [作者：MADUPU PURUSHOTHAM,期刊：SYNLETT, 页码：989-990 , 文章类型： Editorial Material，,卷期：2010年-6] New Reagents for the Synthesis of Arylmethyl Ethers and Esters [作者：ALBINIAK PHILIP A; DUDLEY GREGORY B,期刊：SYNLETT, 页码：841-851 , 文章类型： Article，,卷期：2010年-6] This Account chronicles efforts leading up to the development of new arylmethyl transfer (benzylation) reagents for protecting oxygen functional groups under relatively mild and neutral conditions. It begins with an inve... Thieme Chemistry Journal Awardees - Where Are They Now? Asymmetric Bronsted Acid Catalyzed Transfer Hydrogenations [作者：RUEPING MAGNUS; SUGIONO ERLI; SCHOEPKE FENJA R,期刊：SYNLETT, 页码：852-865 , 文章类型： Article，,卷期：2010年-6] Asymmetric hydrogenations are of great importance in the synthesis of optically active amines. This account highlights the development of the first metal-free transfer hydrogenation that is both highly enantioselective a... Synthesis of Two Nuphar Alkaloids by Allenic Hydroxylamine Cyclisation [作者：BATES RODERICK W; LIM CHIA JUAN,期刊：SYNLETT, 页码：866-868 , 文章类型： Article，,卷期：2010年-6] A highly diastereoselective silver-catalysed cyclisation of a 2-substituted beta-allenic hydroxylamine is reported. The resulting trans-isoxazolidine is converted into two Nuphar alkaloids by a sequence involving cross-m... exo-Glycals: Intermediates in the Synthesis of 1,1-Disubstituted C-Glycosides [作者：WOODWARD HANNAH; SMITH NICHOLA; GALLAGHER TIMOTHY,期刊：SYNLETT, 页码：869-872 , 文章类型： Article，,卷期：2010年-6] The synthesis of 1,1-disubstituted C-glycosides containing amino and ester containing moieties at what is formally the anomeric site is described. Petasis olefination of pyranosyl lactones provided exo-glycals which unde... Synthetic Studies on a Nonsteroidal Progesterone Metabolite: Regioselective N-Alkylation of an Activated Pyrazole [作者：BRADLEY PAUL A; DE KONING PIETER D; GIBSON KARL R; LECOUTURIER YANN C; MACKENNY MALCOLM C; MORAO INAKI; POINSARD CEDRIC; UNDERWOOD TOBY J,期刊：SYNLETT, 页码：873-876 , 文章类型： Article，,卷期：2010年-6] This paper describes the large-scale synthesis of a progesterone receptor metabolite. The key step in this sequence was the regioselective pyrazole N-alkylation. Towards 2D and 3D Coordination Polymers: Synthesis of Shape-Persistent Star Monomers with 2,2 ':6 ',2 ''-Terpyridin-4 '-yl Units at the Periphery [作者：BAUER THOMAS; SCHLUETER A DIETER; SAKAMOTO JUNJI,期刊：SYNLETT, 页码：877-880 , 文章类型： Article，,卷期：2010年-6] A set of shape-persistent star- shaped monomers which are multiply equipped with 2,2':6',2 ''-terpyridin-4'-yl units has been synthesized. The synthetic sequences rest upon the Suzuki-Miyaura cross-coupling reaction whic... Synthesis of Chiral Bifunctional (Thio)Urea N-Heterocyclic Carbenes [作者：BRAND JONATHAN P; SILES JOSE IGNACIO OSUNA; WASER JEROME,期刊：SYNLETT, 页码：881-884 , 文章类型： Article，,卷期：2010年-6] The rapid and modular synthesis of the first bifunctional N-heterocyclic carbenes bearing a (thio)urea moiety as H-bond donor group was reported. Different analogues could be accessed in seven steps from cheap (S)-pyrogl... Synthesis of Perfluoroalkylated Carboranes by Cross-Metathesis of Allylcarboranes and Perfluoroalkylpropenes [作者：EIGNEROVA BARBARA; JANOUSEK ZBYNEK; DRACINSKY MARTIN; KOTORA MARTIN,期刊：SYNLETT, 页码：885-888 , 文章类型： Article，,卷期：2010年-6] A ruthenium complex (Hoveyda-Grubbs second-generation) catalyzed cross-metathesis of allylcarboranes with perfluoroalkylpropenes under standard reaction conditions furnished perfluoroalkylated carboranes in good isolated... Enantioselective Diels-Alder Cycloadditions with beta-Substituted Pyrazolidinone Propiolimides [作者：SIBI MUKUND P; CRUZ WILFREDO JR; STANLEY LEVI M,期刊：SYNLETT, 页码：889-892 , 文章类型： Article，,卷期：2010年-6] Chiral Lewis acid catalyzed Diels-Alder cycloadditions between beta-substituted pyrazolidinone propiolimides and cyclic dienes have been studied. A catalyst prepared from Sc(OTf)(3) and t-Bu-pybox ligand promotes the for... A Facile H2SO4/4 angstrom Molecular Sieves Catalyzed Synthesis of 2,3-Unsaturated O-Glycosides via Ferrier-Type Rearrangement [作者：ZHOU JIAFEN; ZHANG BO; YANG GUOFANG; CHEN XUAN; WANG QINGBING; WANG ZHONGFU; ZHANG JIANBO; TANG JIE,期刊：SYNLETT, 页码：893-896 , 文章类型： Article，,卷期：2010年-6] A novel method for synthesizing 2,3-unsaturated glycosides has been developed using a metal-free catalytic system. This catalyst, sulfuric acid/4 angstrom molecular sieves can catalyze the reaction of 3,4,6-tri-O-acetyl-... An Efficient Procedure for the Synthesis of Morpholin-2-one-3-carboxamide Derivatives in Good Diastereoselectivity by the Ugi Reaction [作者：ZHU DEGUANG; CHEN RUIJIAO; LIANG HAIBO; LI SHENG; PAN LI; CHEN XIAOCHUAN,期刊：SYNLETT, 页码：897-900 , 文章类型： Article，,卷期：2010年-6] A series of 5-substituted morpholin-2-one-3-carboxamide derivatives were efficiently synthesized by a Ugi three-component reaction involving chiral 5,6-dihydro[1,4] oxazin-2-one substrates, isocyanides and carboxylic aci... Novel Synthesis of 2-Aminobenzimidazoles from Isoselenocyanates [作者：XIE YUANYUAN; ZHANG FAN; LI JIANJUN; SHI XIANGJUN,期刊：SYNLETT, 页码：901-904 , 文章类型： Article，,卷期：2010年-6] An efficient one-pot procedure for the synthesis of 2-aminobenzimidazoles from isoselenocyanates and various substituted diamines is described. Precipitation of elemental selenium from the reaction mixture greatly simpli...