An aminoquinolate
diarylboron-catalyzed photoredox hydroxylation
process has been realized herein. Via aerobic oxidation of organoboronic
acid derivatives under air, a variety of functionalized phenols can
be obtained in good to excellent yields. This protocol does not require
the use of metallic (photo)catalysts and oxidants. It is also distinguished
by green and mild conditions, simplicity of operation, and broad substrate
scope.
The surge of photocatalytic transformation not only provides unprecedented synthetical methods, but also triggers the enthusiasm for more sustainable photocatalysts. On the other hand, oxygen is an ideal oxidant in...
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