A Kumada Coupling Catalyst, [Ni{(Ph2P)2N(CH2)3Si(OCH3)3-P,P}Cl2], Bearing a Ligand for Direct Immobilization Onto Siliceous Mesoporous Molecular Sieves

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F15%3A10295192" target="_blank" >RIV/00216208:11310/15:10295192 - isvavai.cz</a>
Alternative codes found
RIV/61388955:_____/15:00444673
Result on the web
<a href="http://onlinelibrary.wiley.com/doi/10.1002/ejic.201500447/pdf" target="_blank" >http://onlinelibrary.wiley.com/doi/10.1002/ejic.201500447/pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/ejic.201500447" target="_blank" >10.1002/ejic.201500447</a>

Result language
angličtina
Original language name
A Kumada Coupling Catalyst, [Ni{(Ph2P)2N(CH2)3Si(OCH3)3-P,P}Cl2], Bearing a Ligand for Direct Immobilization Onto Siliceous Mesoporous Molecular Sieves
Original language description
The ligand-exchange reaction between [Ni(PPh3)(2)Cl-2] and (Ph2P)(2)N(CH2)(3)Si(OCH3)(3) afforded the novel Ni-II complex [Ni{(Ph2P)(2)N(CH2)(3)Si(OCH3)(3)-P,P}Cl-2] (1) in which the square-planar NiP2Cl2 coordination sphere contains a four-membered Ni-P-N-P ring. Comparison of the structure of 1 and related Ni-II square-planar or Ni-0 tetrahedral complexes containing similar P-N-P ligands shows that the magnitude of the P-Ni-P angle is controlled by the presence of the Ni-P-N-P ring, irrespective of the geometry of the nickel coordination sphere. Direct anchoring of 1 onto SBA-15 molecular sieves through the trimethoxysilyl end-group of the ligand afforded heterogeneous catalyst 1/SBA-15. Both 1 and 1/SBA-15 catalyze Kumada cross-coupling reactions, exhibiting similar activity and a slightly higher product selectivity than the [Ni{Ph2P(CH2)(3)PPh2-P,P}Cl-2] and [Ni{(Ph2P)(2)N-(S)-CHMePh-P,P}X-2] (X = Cl, Br) complexes described in the literature. The Grignard reagent employed is likel
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Project
<a href="/en/project/GAP108%2F12%2F1143" target="_blank" >GAP108/12/1143: Polyelectrolytic conjugated dynamers: preparation, constitutional dynamics and functional properties of new materials</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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