Synlett 2014; 25(08): 1168-1172
DOI: 10.1055/s-0033-1340976
letter
© Georg Thieme Verlag Stuttgart · New York

Practical Evaluation of Compact Fluorescent Lamps for Dye-Sensitized Photooxidation Reactions

Kieran P. Stockton
a   School of Science and Technology, University of New England, Armidale, New South Wales, 2351, Australia   Fax: +61(0)267735011   eMail: ben.greatrex@une.edu.au
,
Joseph P. May
a   School of Science and Technology, University of New England, Armidale, New South Wales, 2351, Australia   Fax: +61(0)267735011   eMail: ben.greatrex@une.edu.au
,
Dennis K. Taylor
b   School of Agriculture, Food and Wine, University of Adelaide, South Australia, 5065, Australia
,
Ben W. Greatrex*
a   School of Science and Technology, University of New England, Armidale, New South Wales, 2351, Australia   Fax: +61(0)267735011   eMail: ben.greatrex@une.edu.au
› Institutsangaben
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Publikationsverlauf

Received: 02. Februar 2014
Accepted: 18. Februar 2014

Publikationsdatum:
25. März 2014 (online)


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Abstract

Energy-efficient compact fluorescent lamps (CFL) have been evaluated as a light source for the sensitized generation of singlet oxygen used in the oxidation of 1,3-butadienes and furfural derivatives using a range of dyes including rose bengal, methylene blue, and tetraphenylporphyrin. An ambient temperature water jacket was sufficient to cool reaction mixtures due to the low heat output of lamps and the reaction rates using 110 W of CFL were slower but comparable to those obtained using a 500 W tungsten halogen lamp. The conditions were applied to the photooxidation of a series of furan aldehydes and 1,3-butadienes to give products in good yield in 4–96 hours.