- Highly enantioselective carbon-carbon bond formation by Cu-catalyzed asymmetric [2,3]-sigmatropic rearrangement: application to the syntheses of seven-membered oxacycles and six-membered carbocycles.
[作者:Kumaraswamy, Gullapalli;Sadaiah, Kadivendi;Ramakrishna, Duggirala Subrahmanya;Police, Naresh;Sridhar, Balasubramanian;Bharatam, Jagadeesh;,期刊:Chemical Communications, 页码:5324-5326 , 文章类型: 研究论文,,卷期:2008年-42]
- A concise route for the syntheses of enantioenriched functionalized scaffolds of medium-sized oxacycles and carbocycles, e.g. I and II, employing the chiral auxiliary-mediated Cu-catalyzed ylide formation/[2,3]-sigmatrop...
- Different effects of Fe2+ and Fe3+ on conjugated polymer PPESO3: a novel platform for sensitive assays of hydrogen peroxide and glucose.
[作者:Zhang, Tao;Fan, Hongliang;Liu, Guoliang;Jiang, Jie;Zhou, Jianguang;Jin, Qinhan;,期刊:Chemical Communications, 页码:5414-5416 , 文章类型: 研究论文,,卷期:2008年-42]
- The polymer PPESO3 emits strong fluorescence in an aq. soln. contg. Fe2+. Once hydrogen peroxide is introduced, Fe2+ is oxidized to Fe3+, and the latter effectively quenches the fluorescence of PPESO3. Thus, PPESO3 ser...
- Surface-enhanced stereoselectivity in Mukaiyama aldol reactions catalyzed by clay-supported bis(oxazoline)-copper complexes.
[作者:Fabra, Maria J.;Fraile, Jose M.;Herrerias, Clara I.;Lahoz, Fernando J.;Mayoral, Jose A.;Perez, Ignacio;,期刊:Chemical Communications, 页码:5402-5404 , 文章类型: 研究论文,,卷期:2008年-42]
- Surface effects on a laponite-exchanged bis(oxazoline)-copper complex modify the stereochem. course of the Mukaiyama aldol reaction between 2-(trimethylsilyloxy)furan and a-keto esters, giving up to 90% ee (dr 86:14) whi...
- Encapsulated molecular catalysts in polysiloxane gels: ruthenium cluster-catalyzed isomerization of alkenes.
[作者:Motoyama, Yukihiro;Abe, Motonori;Kamo, Kazuyuki;Kosako, Yusuke;Nagashima, Hideo;,期刊:Chemical Communications, 页码:5321-5323 , 文章类型: 研究论文,,卷期:2008年-42]
- Novel ruthenium-encapsulating polysiloxane gels are prepd. by treatment of polymethylhydrosiloxane with diols in the presence of (m3,h2,h3,h5-acenaphthylene)Ru3(CO)7 and act as reusable catalysts in the isomerization of ...
- Amino-sugar modular ligands-useful cores for the formation of asymmetric copper 1,4-addition catalysts.
[作者:De Roma, Antonella;Ruffo, Francesco;Woodward, Simon;,期刊:Chemical Communications, 页码:5384-5386 , 文章类型: 研究论文,,卷期:2008年-42]
- Modular phosphine ligands, synthesized rapidly from com. N-acetylglucosamine, are very effective in copper(I)-catalyzed 1,4-addns. of ZnR2 to linear aliph. enones (87-95% ee).
- A novel type of N-formylation and related reactions of amines via cyanides and esters as formylating agents.
[作者:Bao, Kai;Zhang, Weige;Bu, Xiujuan;Song, Zhichun;Zhang, Liang;Cheng, Maosheng;,期刊:Chemical Communications, 页码:5429-5431 , 文章类型: 研究论文,,卷期:2008年-42]
- The N-formylation of amines by KCN and various esters, particularly di-Me malonate is reported.
- Solar energy in production of L-glutamate through visible light active photocatalyst-redox enzyme coupled bioreactor.
[作者:Park, Chan Beum;Lee, Sahng Ha;Subramanian, Esakkiappan;Kale, Bharat. B.;Lee, Sang Mi;Baeg, Jin-Ook;,期刊:Chemical Communications, 页码:5423-5425 , 文章类型: 研究论文,,卷期:2008年-42]
- A new potentially promising visible-light driven photobioreactor synthesizes fine chem. via photobiocatalysis by generating NADH in a non-enzymic light-driven process and coupling it to the enzymic dark reaction catalysi...
- Pre-programmed bicomponent porous networks at the solid-liquid interface: the low concentration regime.
[作者:Palma, Carlos-Andres;Bonini, Massimo;Llanes-Pallas, Anna;Breiner, Thomas;Prato, Maurizio;Bonifazi, Davide;Samori, Paolo;,期刊:Chemical Communications, 页码:5289-5291 , 文章类型: 研究论文,,卷期:2008年-42]
- The control over the formation of a bicomponent porous network was attained by self-assembly at the solid-liq. interface, exploiting triple H-bonds between melamine and bis-uracyl modules.
- Ruthenium polypyridyl peptide conjugates: membrane permeable probes for cellular imaging.
[作者:Neugebauer, Ute;Pellegrin, Yann;Devocelle, Marc;Forster, Robert J.;Signac, William;Moran, Niamh;Keyes, Tia E.;,期刊:Chemical Communications, 页码:5307-5309 , 文章类型: 研究论文,,卷期:2008年-42]
- Two novel polyarginine labeled ruthenium polypyridyl dyes are reported, one conjugated to five, (Ru-Ahx-R5), and one to eight arginine residues, (Ru-Ahx-R8); both complexes exhibit long-lived, intense, and oxygen-sensiti...
- Coaxial electrospinning of microfibers with liquid crystal in the core.
[作者:Lagerwall, Jan P. F.;McCann, Jesse T.;Formo, Eric;Scalia, Giusy;Xia, Younan;,期刊:Chemical Communications, 页码:5420-5422 , 文章类型: 研究论文,,卷期:2008年-42]
- Liq. crystal contg. composite fibers were produced via coaxial electrospinning, demonstrating that this technique can be used for producing new functional fibers and/or to study the impact of extreme confinement on liq. ...
- Hollow hybrid spheres with silica inner shell for non-deformable, core exchangeable properties.
[作者:Hur, Soon-Ryoung;Kim, Yong Seok;Won, Jong Chan;Lee, Jae Heung;Jung, Hyun Min;,期刊:Chemical Communications, 页码:5405-5407 , 文章类型: 研究论文,,卷期:2008年-42]
- Core exchangeable polymer-silica hybrid capsules with solvent-selective permeability were fabricated, in which the internal silica layer, formed from pre-included precursors, has the role of a framework to prevent irreve...
- A metallopolymer case-history: polymer, ring or ligand reaction?.
[作者:Constable, Edwin C.;Harris, Kate;Housecroft, Catherine E.;Neuburger, Markus;Schaffner, Silvia;,期刊:Chemical Communications, 页码:5360-5362 , 文章类型: 研究论文,,卷期:2008年-42]
- Multinuclear Co(II) complexes of ditopic ligands with a,w-dioxy spacers linking two tpy metal-binding domains, for example {[CoL](OAc)2}n (L = I) react with alcs. to generate mononuclear 4'-alkoxy-species, [CoL2](PF6)2 (...
|