Issue 11, 2016

An efficient epoxidation of terminal aliphatic alkenes over heterogeneous catalysts: when solvent matters

Abstract

The epoxidation of unfunctionalized terminal aliphatic alkenes over heterogeneous catalysts is still a challenging task. Due to the tuning of a peculiar catalyst/oxidant/solvent combination, it was possible to attain good alkene conversions (73%) and excellent selectivity values (>98%) in the desired terminal 1,2-epoxide. Over the titanium–silica catalyst and in the presence of tert-butylhydroperoxide, the use of α,α,α-trifluorotoluene as an uncommon non-toxic solvent was the key factor for a marked enhancement of selectivity. The titanium–silica catalyst was efficiently recycled and reused after a gentle rinsing with fresh solvent.

Graphical abstract: An efficient epoxidation of terminal aliphatic alkenes over heterogeneous catalysts: when solvent matters

Supplementary files

Article information

Article type
Paper
Submitted
26 Sep 2015
Accepted
17 Dec 2015
First published
21 Dec 2015

Catal. Sci. Technol., 2016,6, 3832-3839

Author version available

An efficient epoxidation of terminal aliphatic alkenes over heterogeneous catalysts: when solvent matters

C. Palumbo, C. Tiozzo, N. Ravasio, R. Psaro, F. Carniato, C. Bisio and M. Guidotti, Catal. Sci. Technol., 2016, 6, 3832 DOI: 10.1039/C5CY01639H

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