Embedded Mn-Porphyrins in PDMS and ORMOSILs as Effective Catalysts for Cyclooctene Epoxidation by H2O2 in Supercritical Carbon Dioxide

Sandro Campestrini; Alessandro Donoli; Umberto Tonellato

doi:10.2174/1570178043488329

ISSN: 1570-1786
E-ISSN: 1875-6255

Embedded Mn-Porphyrins in PDMS and ORMOSILs as Effective Catalysts for Cyclooctene Epoxidation by H2O2 in Supercritical Carbon Dioxide
Authors: Sandro Campestrini¹, Alessandro Donoli² and Umberto Tonellato³
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¹ Universita di Padova, Dipartimento di Chimica Organica; CNR, Istituto per la Tecnologia delle Membrane, Via Marzolo 1, 35131 Padova, Italia. ² Universita di Padova, Dipartimento di Chimica Organica; CNR, Istituto per la Tecnologia delle Membrane, Via Marzolo 1, 35131 Padova, Italia. ³ Universita di Padova, Dipartimento di Chimica Organica; CNR, Istituto per la Tecnologia delle Membrane, Via Marzolo 1, 35131 Padova, Italia.
Source: Letters in Organic Chemistry, Volume 1, Issue 2, Apr 2004, p. 125 - 128
DOI: https://doi.org/10.2174/1570178043488329
- Available online: 01 Apr 2004

Abstract

The heterogeneous oxidation of cyclooctene with H2O2 catalyzed by Mnporphyrins embedded in polydimethylsiloxane (PDMS) and organically modified silicates (ORMOSILs), in the presence of hexafluoroacetone hydrate (HFAH) as cocatalyst, has been studied in supercritical carbon dioxide (scCO2) at 40°C and 20 MPa. Complete olefin conversion may be obtained with the formation of cyclooctene oxide as sole product, employing molar ratios of Mn-porphyrin/Substrate/H2O2 of 1:400:2000.

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2004-04-01

2025-06-20

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Article Type: Review Article

Keyword(s): carbon dioxide; hexafluoroacetone; hydrogen peroxide; oxidation; porphyrin

Embedded Mn-Porphyrins in PDMS and ORMOSILs as Effective Catalysts for Cyclooctene Epoxidation by H2O2 in Supercritical Carbon Dioxide

Abstract

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