<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">The process of the epoxidation of <italic>cis, trans, trans</italic>-1,5,9-cyclododecatriene (CDT) to 1,2-epoxy-5,9-cyclododecadiene (ECDD) with the 30% aqueous hydrogen peroxide under the phase transfer conditions and with <italic>tert</italic>-butyl hydroperoxide under the homogeneous conditions was investigated. Onium salts such as Aliquat® 336, Arquad® 2HT, methyltrioctylammonium bromide and the Na2WO4/H3PO4 catalyst system are very active under the phase transfer catalysis (PTC) conditions for the selective epoxidation of <italic>cis, trans, trans</italic>-1,5,9-cyclododecatiene (PTC method). These catalytic systems were found to be as active and selective as the homogeneous phase system Mo(CO)6/TBHP (hydroperoxide method).</abstract>

The process of the epoxidation of cis, trans, trans-1,5,9-cyclododecatriene (CDT) to 1,2-epoxy-5,9-cyclododecadiene (ECDD) with the 30% aqueous hydrogen peroxide under the phase transfer conditions and with tert-butyl hydroperoxide under the homogeneous conditions was investigated. Onium salts such as Aliquat® 336, Arquad® 2HT, methyltrioctylammonium bromide and the Na2WO4/H3PO4 catalyst system are very active under the phase transfer catalysis (PTC) conditions for the selective epoxidation of cis, trans, trans-1,5,9-cyclododecatiene (PTC method). These catalytic systems were found to be as active and selective as the homogeneous phase system Mo(CO)6/TBHP (hydroperoxide method).

Comparison of the methods of the phase transfer catalysis and hydroperoxide in the epoxidation of 1,5,9-cyclododecatriene

Institute of Organic Chemical Technology, Szczecin University of Technology, Pulaskiego 10, 70-322 Szczecin, Poland

Polish Journal of Chemical Technology

The process of the epoxidation of cis, trans, trans-1,5,9-cyclododecatriene (CDT) to 1,2-epoxy-5,9-cyclododecadiene (ECDD) with the 30% aqueous hydrogen...

Comparison of the methods of the phase transfer catalysis and hydroperoxide in the epoxidation of 1,5,9-cyclododecatriene

Published Online: Nov 06, 2007

Page range: 101 - 104

DOI: https://doi.org/10.2478/v10026-007-0065-0

Keywords
epoxidation, 1,5,9-cyclododecatriene, phase transfer catalysis, hydrogen peroxide, -butyl hydroperoxide

This content is open access.

Comparison of the methods of the phase transfer catalysis and hydroperoxide in the epoxidation of 1,5,9-cyclododecatriene

Published Online: Nov 06, 2007

Page range: 101 - 104

DOI: https://doi.org/10.2478/v10026-007-0065-0

Keywordsepoxidation, 1,5,9-cyclododecatriene, phase transfer catalysis, hydrogen peroxide, -butyl hydroperoxide

This content is open access.

Keywords
epoxidation, 1,5,9-cyclododecatriene, phase transfer catalysis, hydrogen peroxide, -butyl hydroperoxide