. . . . . "2014-07-01+02:00"^^ . "2009-01-01+01:00"^^ . . . . . "1"^^ . "1"^^ . . . "Deponovan\u00E9 nano\u010D\u00E1sticov\u00E9 katalyz\u00E1tory pro tvorbu vazeb C-C" . "2013-06-07+02:00"^^ . . "http://www.isvav.cz/projectDetail.do?rowId=GA104/09/0561"^^ . "2013-12-31+01:00"^^ . "The proposed project addresses the key issues of the synthesis and catalytic application of palladium nanoparticles supported by mesoporous molecular sieves. New type of heterogeneous catalysts based on Pd-nanoparticles deposited on solid supports -- modified or unmodified with basic functionalities or centres -- will be developed for applications in C-C bond formation reactions of the Heck and Suzuki type. These catalysts will combine high activities of palladium catalysts with suitable chemical and textural properties of parent mesoporous molecular sieves. Proper combination of the size and concentration of Pd nanoparticles with external or in-support available base should provide highly active catalysts for intermolecular or intramolecular Heck reactions and Suzuki cross-coupling between phenylboronic acid and various aryl halides. Last but not least, particular attention will be paid to the deactivation processes, metal leaching, and reusability of the prepared catalysts."@en . "17"^^ . . "This grant project resulted in the design and synthesis of several types of new ordered siliceous materials and, mainly, new deposited palladium catalysts. The results collected allowed to draw general conclusions regarding the role of the solid support and its modifying group on the catalytic performance. It was possible to determine homogeneous nature of the studied catalytic processes."@en . "C\u00EDlem p\u0159edlo\u017Een\u00E9ho projektu je studium \u0159\u00EDd\u00EDc\u00EDch faktor\u016F synt\u00E9zy a n\u00E1sledn\u00E9ho katalytick\u00E9ho vyu\u017Eit\u00ED nano\u010D\u00E1stic palladia nanesen\u00FDch na mesopor\u00E9zn\u00ED molekulov\u00E1 s\u00EDta. Bude tak vyvinut nov\u00FDch typ heterogenn\u00EDho katalyz\u00E1toru pro vyu\u017Eit\u00ED v katal\u00FDze reakc\u00ED tvorby C-C vazeb (Heckova a Suzukiho reakce) na b\u00E1zi nano\u010D\u00E1stic palladia deponovan\u00FDch na povr\u0161\u00EDch mezopor\u00E9zn\u00EDch molekulov\u00FDch s\u00EDt \u2013 v p\u0159\u00EDtomnosti basick\u00FDch skupin a bez nich. Takov\u00E9 katalyz\u00E1tory spojuj\u00ED vysok\u00E9 aktivity katalyz\u00E1tor\u016F na b\u00E1zi palladia s vhodn\u00FDmi chemick\u00FDmi a texturn\u00EDmi vlastnostmi mesopor\u00E9zn\u00EDch molekulov\u00FDch s\u00EDt. Vhodnou kombinac\u00ED velikosti a koncentrace \u010D\u00E1stic Pd s basickou funkc\u00ED (p\u0159idanou v\u00A0pr\u016Fb\u011Bhu synt\u00E9zy nosi\u010De nebo v pr\u016Fb\u011Bhu p\u0159\u00EDpravy katalyz\u00E1toru) budou p\u0159ipraveny vysoce aktivn\u00ED katalyz\u00E1tory pro inter- a intramolekul\u00E1rn\u00ED Heckovy reakce a Suzukiho reakci mezi kyselinou fenylboritou a r\u016Fzn\u00FDmi arylhalogenidy. V neposledn\u00ED \u0159ad\u011B bude studov\u00E1n mechanismus deaktivace t\u011Bchto katalyz\u00E1tor\u016F, p\u0159\u00EDpadn\u00E9 uvol\u0148ov\u00E1n\u00ED Pd do kapaln\u00E9 f\u00E1ze a mo\u017Enost opakovan\u00E9ho pou\u017Eit\u00ED katalyz\u00E1toru." . "Bylo p\u0159ipraveno a studov\u00E1no n\u011Bkolik typ\u016F nov\u00FDch uspo\u0159\u00E1d\u00E1n\u00FDch silik\u00E1tov\u00FDch materi\u00E1l\u016F a p\u0159edev\u0161\u00EDm rozs\u00E1hl\u00E1 s\u00E9rie nov\u00FDch deponovan\u00FDch palladiov\u00FDch katalyz\u00E1tor\u016F. Tyto v\u00FDsledky dovolily nal\u00E9zt a formulovat obecn\u00E9 z\u00E1v\u011Bry t\u00FDkaj\u00EDc\u00ED se vlivu pevn\u00E9ho nosi\u010De a jeho modifikuj\u00EDc\u00EDch skupin na katalytick\u00E9 vlastnosti. Z\u00E1rove\u0148 umo\u017Enily stanovit homogenn\u00ED charakter katalyzovan\u00FDch d\u011Bj\u016F."@cs . "17"^^ . . "Metal catalysis nanoparticles palladium mesoporous molecular sieves C-C bond"@en . . . "GA104/09/0561" . . . "Supported nanoparticle catalysts for C-C bond forming reactions"@en . "0"^^ .