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| Description
| - The project is focused on the preparation, structure and reactivity of almost unknown class of compounds – heteroboroxines containing central MB2O3 ring, that are formally formed by the substitution of one of the boron atoms in the classical boroxines by a heteroatom M. The heavier group 13 - 15 elements will be considered as heteroatoms M, and will be stabilized by the coordination of the NCN pincer ligand L ([2,6 – (Me2NCH2)C6H3]-) within the MB2O3 ring. The topic of the project is description of preparation, structure and reactivity of these unprecedented compounds and comparison of their properties with classical boroxines. The compounds will be prepared i) by the reaction of boronic acids RB(OH)2 with oxides or hydroxides of elements M under water elimination ii) by the reaction of RB(OH)2 with corresponding hydrides of M. The investigation of reactivity will include study of hydrolytic stability, Lewis bases adduct formation and further functionalization of the MB2O3 rings. Structure of compounds will be studied using NMR spectroscopy and X-ray diffraction analyses. (en)
- Projekt je zaměřen na prozkoumání přípravy, struktury a reaktivity dosud nestudované skupiny sloučenin - heteroboroxinů obsahující centrální MB2O3 kruh, k jejichž tvorbě formálně dochází záměnou jednoho z atomu bóru v boroxinovém kruhu B3O3 prvkem M. Jako heteroatomy M budou v projektu uvažovány těžší prvky 13. - 15. skupiny, které budou v rámci MB2O3 cyklu stabilizovány NCN pincerovým ligandem L ([2,6 – (Me2NCH2)C6H3]-). Studium těchto sloučenin bude zaměřeno na studium přípravy, struktury a reaktivity těchto látek a porovnání jejich vlastností s klasickými boroxiny. Studované sloučeniny budou připravovány i) reakcí kyselin RB(OH)2 s oxidy a hydroxidy odvozenými od prvku M za současné eliminace vody ii) reakcí kyselin RB(OH)2 s hydridy prvku M. Studium reaktivity bude zahrnovat studium hydrolytické stability, možnosti tvorby komplexu s Lewisovskými bázemi a rozvětvením struktur pomocí reakcí na funkčních skupinách ukotvených na atomech boru. Struktura sloučenin bude studována v roztoku pomocí NMR spektroskopie a v pevné fázi pomocí rentgenové difrakční analýzy.
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| Title
| - Heteroboroxines-A New Class of Boroxine Based Compounds (en)
- Heteroboroxiny-nová třída sloučenin odvozených od boroxinových kruhů
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| skos:notation
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| http://linked.open...avai/cep/aktivita
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| http://linked.open...kovaStatniPodpora
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| http://linked.open...ep/celkoveNaklady
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| http://linked.open...datumDodatniDoRIV
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| http://linked.open...i/cep/druhSouteze
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| http://linked.open...ep/duvernostUdaju
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| http://linked.open.../cep/fazeProjektu
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| http://linked.open...ai/cep/hlavniObor
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| http://linked.open...vai/cep/kategorie
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| http://linked.open.../cep/klicovaSlova
| - boroxines, inorganic rings, main group elements, organometallic compounds, reactivity (en)
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| http://linked.open...ep/partnetrHlavni
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| http://linked.open...inujicichPrijemcu
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| http://linked.open...cep/pocetPrijemcu
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| http://linked.open...ocetSpoluPrijemcu
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| http://linked.open.../pocetVysledkuRIV
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| http://linked.open...enychVysledkuVRIV
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| http://linked.open...lneniVMinulemRoce
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| http://linked.open.../prideleniPodpory
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| http://linked.open...iciPoslednihoRoku
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| http://linked.open...atUdajeProjZameru
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| http://linked.open.../vavai/cep/soutez
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| http://linked.open...usZobrazovaneFaze
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| http://linked.open...ai/cep/typPojektu
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| http://linked.open...ep/ukonceniReseni
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| http://linked.open...ep/zahajeniReseni
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| http://linked.open...tniCyklusProjektu
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| http://linked.open.../cep/klicoveSlovo
| - inorganic rings
- main group elements
- organometallic compounds
- boroxines
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| is http://linked.open...vavai/riv/projekt
of | - Synthesis and Structural Characterization of Heteroboroxines with MB2O3 Core (M = Sb, Bi, Sn)
- Intramolecularly C,N-Coordinated Homo- and Heteroleptic Organostannylenes
- Straightforward synthesis of novel cyclic metallasiloxanes supported by an N,C,N-chelating ligand
- Synthesis and structure of N,C-chelated organoantimony(V) and organobismuth(V) compounds
- Synthesis of heteroboroxines with MB2O3 core (M = Sb, Bi, Sn)-an influence of the substitution of parent boronic acids dagger
- Organotin(IV) compounds containing N,C,O-chelating ligand
- Opening of boroxines by N,C,N-chelated antimony(III), bismuth(III) and tin(IV) compounds
- Organohydridosilanes containing Y,C,Y-chelating ligands: Reactivity and vapour pressure studies
- Reactivity Studies on an Intramolecularly Coordinated Organotin(IV) Carbonate
- The reactivity of N,C,N-intramolecularly coordinated antimony(III) and bismuth(III) oxides with the sterically encumbered organoboronic acid 2,6-i-Pr2C6H3B(OH)(2)
- Hydrosilylation Induced by N! Si Intramolecular Coordination: Spontaneous Transformation of Organosilanes into 1-Aza- SiloleType Molecules in the Absence of a Catalyst
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| is http://linked.open...vavai/cep/projekt
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