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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27条记录   Reactions of carbanions with 1,3-benzodioxin-4-ones. Facile routes to flavones, aurones, and acyl phloroglucinols. [作者：Kraus, George A.;Wie, Jingqiang;Thite, Aniket;,期刊：Synthesis, 页码：2427-2431 , 文章类型： 研究论文，,卷期：2008年-15] Two 1,3-benzodioxin-4-ones react with enolates, acetylides and aryllithium reagents to afford adducts that were converted into flavones, aurones, and an acyl phloroglucinol. Synthesis of (2R,3R)-1,4-dimethoxy-1,1,4,4-tetraphenylbutane-2,3-diol. [作者：Bischop, Martina;Cmrecki, Vesna;Ophoven, Vera;Pietruszka, Joerg;,期刊：Synthesis, 页码：2488-2490 , 文章类型： 研究论文，,卷期：2008年-15] (2R,3R)-1,4-Dimethoxy-1,1,4,4-tetraphenylbutane-2,3-diol is an excellent auxiliary and stable protective group for boronic acids. Herein the authors reported an improved practical procedure for its synthesis. Synthesis of monofunctionalized p-quaterphenyls. [作者：Wallmann, Ivonne;Schiek, Manuela;Koch, Rainer;Luetzen, Arne;,期刊：Synthesis, 页码：2446-2450 , 文章类型： 研究论文，,卷期：2008年-15] A general approach for the synthesis of monofunctionalized 1,1':4',1'':4'',1'''-quaterphenyls (p-quaterphenylenes) was developed through the application of a reliable Suzuki cross-coupling strategy. Highly efficient and recyclable palladium catalyst anchored on organic-inorganic hybrid material: application in the Heck reaction. [作者：Liu, Hongqiang;Wang, Lei;Li, Pinhua;,期刊：Synthesis, 页码：2405-2411 , 文章类型： 研究论文，,卷期：2008年-15] Pd anchored on org.-inorg. (silica gel) hybrid materials behaves as a very efficient heterogeneous catalyst in the Heck reaction. Iodo- and bromo arenes react smoothly with alkenes to afford the corresponding cross-coup... Palladium-free copper-catalyzed Sonogashira cross-coupling at room temperature. [作者：Jiang, Huimin;Fu, Hua;Qiao, Renzhong;Jiang, Yuyang;Zhao, Yufen;,期刊：Synthesis, 页码：2417-2426 , 文章类型： 研究论文，,卷期：2008年-15] An efficient method was developed for the Pd-free Cu-catalyzed Sonogashira cross-coupling of 2-iodoacetanilides with alkynes at room temp. The corresponding coupling products were obtained in good to excellent yields us... A green reagent for the iodination of phenols. [作者：Kiran, Y. B.;Konakahara, Takeo;Sakai, Norio;,期刊：Synthesis, 页码：2327-2332 , 文章类型： 研究论文，,卷期：2008年-15] A new reagent (I2/NaNO2) for the iodination of the arom. ring of phenols was discovered. The reaction proceeds at room temp. in 1.5-6 h. In the presence of this reagent, iodinated compds. are regioselectively formed in... Cleavage of 1,3-dithianes via acid-catalyzed hydrolysis of the corresponding 1,3-dithianemonooxides. [作者：Krohn, Karsten;Cludius-Brandt, Stephan;,期刊：Synthesis, 页码：2369-2372 , 文章类型： 研究论文，,卷期：2008年-15] The hydrolysis of 1,3-dithianes to their parent carbonyl compds. via their corresponding monosulfoxides was systematically investigated. The oxidn. of the 1,3-dithianes was carried out in high yields using tert-Bu hydrop... Pd(OAc)2-catalyzed aminocarbonylation of aryl iodides with aromatic or aliphatic amines in water. [作者：Tambade, Pawan J.;Patil, Yogesh P.;Bhanushali, Mayur J.;Bhanage, Bhalchandra M.;,期刊：Synthesis, 页码：2347-2352 , 文章类型： 研究论文，,卷期：2008年-15] An efficient ligand-free protocol was developed for the aminocarbonylation of aryl iodides with arom./aliph. amines using Pd(OAc)2 as a catalyst in water under milder operating conditions. The system tolerated a wide va... Template-directed synthesis of symmetric as well as unsymmetric macrocycles from rigid or flexible building blocks. [作者：Albrecht, Markus;Yeni;,期刊：Synthesis, 页码：2451-2461 , 文章类型： 研究论文，,卷期：2008年-15] Arc-shaped oligophenyl derivs. with terminal alkene moieties can be used to form macrocycles by dimerization through ring-closing metathesis. Hereby, the introduction of templates connecting the 2 building blocks favors... Synthesis of thiazolo[4,5-d]pyridines. [作者：Iaroshenko, Viktor O.;Volochnyuk, Dmitriy M.;Kryvokhyzha, Nadiya V.;Martyloga, Aleksander;Sevenard, Dmitri V.;Groth, Ulrich;Brand, Joerg;Chernega, Alexander N.;Shivanyuk, Alexander N.;Tolmachev, Andrei A.;,期刊：Synthesis, 页码：2337-2346 , 文章类型： 研究论文，,卷期：2008年-15] The reaction of 2-aminothiazol-4(5H)-iminium salts with various 1,3-CCC-dielectrophiles was investigated. As a result, a set of diverse thiazolo[4,5-d]pyridines were obtained. The scope and limitation of the approach i... Synthesis of a homologous series of side-chain-extended orthogonally protected aminooxy-containing amino acids. [作者：Liu, Fa;Thomas, Joshua;Burke, Terrence R., Jr.;,期刊：Synthesis, 页码：2432-2438 , 文章类型： 研究论文，,卷期：2008年-15] Practical methodol. is reported for the synthesis of a homologous series of side chain-extended amino acids (S)-Fmoc-NHCH[(CH2)nONHR]CO2H (R = Boc, n = 1-6; R = Mtt, n = 1), which contain aminooxy functionality bearing o... Synthesis of new (3-aminopyrrolidin-3-yl)phosphonic acid - a cucurbitine analog - and (3-aminotetrahydrothiophen-3-yl)phosphonic acid via phosphite addition to heterocyclic hydrazones. [作者：Rabasso, Nicolas;Fadel, Antoine;,期刊：Synthesis, 页码：2353-2362 , 文章类型： 研究论文，,卷期：2008年-15] Hydrazones were prepd. by condensation of carbocyclic and heterocyclic ketones with benzoyl- and tosylhydrazines. These hydrazones underwent nucleophilic addn. with phosphite to provide efficiently (3-hydrazinopyrrolidi... Intramolecular Michael-type additions to vinyl bissulfoxides: enantioselective synthesis of chiral aldehydes. [作者：Gehring, Timo;Podlech, Joachim;Rothenberger, Alexander;,期刊：Synthesis, 页码：2476-2487 , 文章类型： 研究论文，,卷期：2008年-15] The diastereoselective auxiliary-based intramol. Michael-type addns. to alkylidene bissulfoxides derived from dithiane and dithiolane were investigated. Utilization of substrates bearing N- and O-nucleophilic functions ... Dimeric building blocks for solid-phase synthesis of a-peptide-b-peptoid chimeras. [作者：Bonke, Gitte;Vedel, Line;Witt, Matthias;Jaroszewski, Jerzy W.;Olsen, Christian A.;Franzyk, Henrik;,期刊：Synthesis, 页码：2381-2390 , 文章类型： 研究论文，,卷期：2008年-15] Recently, a novel type of antimicrobial and proteolytically stable peptidomimetic oligomers having an a-peptide-b-peptoid chimeric backbone was reported. The present paper describes efficient protocols for the prepn. of... An efficient synthesis of phosphonate derivatives of 1,2-disubstituted carbocyclic purine nucleosides with a cyclopentane ring. [作者：Besada, Pedro;Moa, Maria J. Gonzalez;Teran, Carmen;,期刊：Synthesis, 页码：2363-2368 , 文章类型： 研究论文，,卷期：2008年-15] The synthesis of phosphonate 1,2-disubstituted carbocyclic nucleosides with a cyclopentane ring is described following two different strategies: inclusion of the phosphonomethyl group before or after coupling of the carb... A facile biogenetic synthesis of pulcheotine A. [作者：Wakchaure, Prasad B.;Argade, Narshinha P.;,期刊：Synthesis, 页码：2321-2322 , 文章类型： 研究论文，,卷期：2008年-15] Starting from homopiperonylamine and 4-methoxyphenylacetic acid, a facile biogenetic route to naturally occurring pulcheotine A was demonstrated via Pictet-Spengler cyclization and two different air oxidn. processes.