Reaction Kinetics and Catalysis Letters

, Volume 46, Issue 1, pp 225–231 | Cite as

Catalytic activity of hemin coordinated to silicas with various structures of grafted layers

  • T. P. Kolotusha
  • L. A. Belyakova
  • V. A. Tertykh
Article

Abstract

Coordinative immobilization of hemin has been realized on the surface of various nitrogen-containing organosilicas. It has been established that the ability to oxygenation and the catalytic activity of hemin complexes with organosilica substrates in cumene oxidation depends on the nature of N-ligands (imidazole or amino groups), their concentration, method of coordination to the surface and the ratio of hemin to grafted axial ligand.

Keywords

Oxidation Physical Chemistry Catalysis Catalytic Activity Immobilization 

Abstract

Осущствлена координационная иммобилизация гемина на поверхности различных азотсодержащих органокремнеземов. Установлено, что способность к оксигенации и каталитическая активность в реакции окислеиня кумола комплексов гемина с органокремнеземными носителями зависит от природы N-лигандов (имидазол или аминогруппа), их концентрации, способа закрепления на поверхности и соотношения гемин: привитый экстралиганд.

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Copyright information

© Akadémiai Kiadó 1992

Authors and Affiliations

  • T. P. Kolotusha
    • 1
  • L. A. Belyakova
    • 1
  • V. A. Tertykh
    • 1
  1. 1.Institute of the Surface ChemistryKievUSSR

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