Selective Light-Driven Chemoenzymatic Trifluoromethylation/Hydroxylation of Substituted Arenes

Publication Date

March 2018

Document Type

Article

Publication Title

ACS Catalysis

Volume

8

Issue

3

DOI

10.1021/acscatal.7b04160

First Page

2225

Last Page

2229

Abstract

The merging of photoredox trifluoromethylation with hybrid P450 BM3 variants has enabled the selective light-driven functionalization of several arenes. This approach capitalizes on the unique photochemical properties of the Ru(II)-diimine photosensitizer to initiate single electron transfer events. Under photoredox conditions, a CF3 radical promoted by the d6 metal complex can add to arenes. In the hybrid P450 BM3 enzymes, the covalently attached Ru(II)-diimine photosensitizer provides the necessary electrons to perform, upon visible light activation, P450 oxyfunctionalizations on the trifluoromethylated substrates.

Keywords

chemoenzymatic process, electron transfer, light-driven biocatalysis, Ru(II)-diimine photosensitizer, trifluoromethylation/hydroxylation

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