Volume 60, Issue 4 pp. 1714-1726
Minireview

Stereoinduction in Metallaphotoredox Catalysis

Dr. Alexander Lipp

Dr. Alexander Lipp

Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, 231 S. 34th Street, Philadelphia, PA, 19104-6323 USA

These authors contributed equally to this work.

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Shorouk O. Badir

Shorouk O. Badir

Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, 231 S. 34th Street, Philadelphia, PA, 19104-6323 USA

These authors contributed equally to this work.

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Prof. Dr. Gary A. Molander

Corresponding Author

Prof. Dr. Gary A. Molander

Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, 231 S. 34th Street, Philadelphia, PA, 19104-6323 USA

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First published: 17 July 2020
Citations: 233

Graphical Abstract

The synergistic combination of photoredox and transition metal catalysis enables the installation of C(sp3)-hybridized centers under exceedingly low energy barriers, rendering this platform a formidable tool in synthetic applications. To fully harness this mode of catalysis, considerable efforts have been devoted toward stereoselective transformations. This Minireview discusses milestones to accomplish and understand the origin of stereoinduction in these processes.

Abstract

Metallaphotoredox catalysis has evolved into an enabling platform to construct C(sp3)-hybridized centers under remarkably mild reaction conditions. The cultivation of abundant radical precursor feedstocks has significantly increased the scope of transition-metal-catalyzed cross-couplings, especially with respect to C(sp2)–C(sp3) linkages. In recent years, considerable effort has been devoted to understanding the origin of stereoinduction in dual catalytic processes. In this context, Ni- and Cu-catalyzed transformations have played a predominant role exploiting this mode of catalysis. Herein, we provide a critical overview on recent progress in enantioselective bond formations enabled by Ni- and Cu-catalyzed manifolds. Furthermore, selected stereochemical control elements within the realm of diastereoselective transformations are discussed.

Conflict of interest

The authors declare no conflict of interest.

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