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Cited by 269

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Catalytic Asymmetric C−H Functionalization under Photoredox Conditions by Radical Translocation and Stereocontrolled Alkene Addition

Wang, Chuanyong, Harms, Klaus, Meggers, Eric·2016·Angewandte Chemie International Edition

Abstract

This work demonstrates how photoredox‐mediated C(sp 3)−H activation through radical translocation can be combined with asymmetric catalysis. Upon irradiation with visible light, α,β‐unsaturated N‐acylpyrazoles react with N‐alkoxyphthalimides in the presence of a rhodium‐based chiral Lewis acid catalyst and the photosensitizer fac‐[Ir(ppy)3] to provide a C−C bond‐formation product with high enantioselectivity (up to 97 % ee) and, where applicable, with some diastereoselectivity (3.0:1 d.r.). Mechanistically, the synthetic strategy exploits a radical translocation (1,5‐hydrogen transfer) from an oxygen‐centered to a carbon‐centered radical with a subsequent stereocontrolled radical alkene addition.

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Metadata

Authors
Wang, C., Harms, K., & Meggers, E.
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2016-09-26
Volume
55
Issue
43
Pages
13495-13498
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2526888048
Cited by
269
References
1
FWCI
20.19
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Catalytic Asymmetric C−H Functionalization under Photoredox Conditions by Radical Translocation and Stereocontrolled Alkene Addition. https://app.cochat.ai/papers/10.1002/anie.201607305
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Wang, C., Harms, K., & Meggers, E. (2016). Catalytic Asymmetric C−H Functionalization under Photoredox Conditions by Radical Translocation and Stereocontrolled Alkene Addition. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201607305

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