Keywords
aldehydes
benzylic alcohols
diols
Ketones
lactones.
oxidation
photocatalysis
supercritical carbon dioxide
Abstract
Benzylic alcohols are oxidized with molecular oxygen to the corresponding carbonyl compounds and carboxylic acids in supercritical carbon dioxide medium in the presence of 2-fluoroanthraquinone as an organic photocatalyst. The transformation is promoted by blue light irradiation at 405 nm. The similar processing of aliphatic terminal 1,3- and 1,4-diols affords the corresponding diacids, while small changes in the procedure allows one to convert butane-1,4-diol into γ-butyrolactone in one experimental step.
Funders
Russian Science Foundation
23-73-00071
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