Synthesis 2020; 52(11): 1625-1633
DOI: 10.1055/s-0039-1690866
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© Georg Thieme Verlag Stuttgart · New York

Cobalt(III)-Catalyzed Redox-Neutral Coupling of Acrylamides with Activated Alkenes via C–H Bond Activation

Meledath Sudhakaran Keerthana
,
Ramasamy Manoharan
,
Masilamani Jeganmohan
Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India   Email: mjeganmohan@iitm.ac.in
› Author Affiliations
We thank the Department of Science and Technology, Science and Engineering Research Board (DST-SERB, CRG/2018/000606), India for the support of this research. M.S.K. thanks the Indian Institute of Technology Madras (IITM) for an HTRA Fellowship.
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Publication History

Received: 18 December 2019

Accepted after revision: 04 March 2020

Publication Date:
30 March 2020 (online)


We would like to dedicate this work to Prof. Chien-Hong Cheng on the occasion of his 70th birthday.

Abstract

A cobalt(III)-catalyzed coupling of substituted acrylamides with maleimides in the presence of 30 mol% pivalic acid providing olefin-migrated succinimide derivatives in a redox-neutral manner is described. The coupling reaction was examined with various substituted acrylamides and maleimides. The scope of the C–H alkylation reaction was also examined with substituted acrylates. A possible reaction mechanism involving a five-membered cobaltocycle as a key intermediate is proposed.

Supporting Information