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Abstract
Oxidation is a major chemical process to produce
oxygenated chemicals in both nature and chemical industry. Currently,
industrial deep oxidation processes from polyalkyl benzene are major routes to
produce benzoic acids and benzene polycarboxylic acids (BPCAs), while to some extent suffering from the
energy-intensive and potentially hazardous drawbacks and the sluggish
separation issues. In this report, visible-light-induced deep aerobic oxidation
of (poly)alkyl benzene to benzene (poly)carboxylic acids was
developed. CeCl3 was proved to be an efficient
HAT (Hydrogen
Atom Transfer)catalyst in the presence of alcohol as both hydrogen and
electron shuttle. Dioxygen (O2) was found as a sole terminal
oxidant. In most cases, pure products were easily isolated by simple
filtration, showing the advantages of for scaling up. The
reaction provides an ideal way to form valuable fine chemicals from abundant petroleum
feedstocks.
Supplementary materials
Title
SI-data-0118-FL
Description
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