Preparative Organic Chemistry
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ChemInform Abstract: Photochemical Oxidation of 4H-Seleno(thio)pyrans.
First published: 09 June 2010
Abstract
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ChemInform Abstract
Oxidation of chalcogenopyrans (I) and (III) into the corresponding heteroaromatic cations is achieved on UV-irradiation in the presence of CBr4. The reaction occurs via a free radical chain mechanism.
