Synlett 2020; 31(01): 55-59
DOI: 10.1055/s-0039-1690691
cluster – 9th Pacific Symposium on Radical Chemistry
© Georg Thieme Verlag Stuttgart · New York

Anti-Markovnikov Hydroazidation of Activated Olefins via Organic Photoredox Catalysis

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José L. Rosario Collazo
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Subject Editor: David Nicewicz and Corey StephensonThis project was supported by Award No. R01 GM098340 from the National Institute of General Medical Sciences. M.E.S.H. is grateful for an NSF Graduate Fellowship. J.L.R.C. was supported by a National Science Foundation REU SUROC Award to UNC (NSF-REU 1757413).
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Publication History

Received: 17 August 2019

Accepted after revision: 11 September 2019

Publication Date:
24 September 2019 (online)


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Published as part of the Cluster ‘9th Pacific Symposium on Radical Chemistry

Abstract

Organic azides serve as synthetically useful surrogates for primary amines, a functional group which is ubiquitous in bioactive and medicinally relevant molecules. Historically, the formal hydroazidation of simple activated olefins and styrenes has proven difficult due to the inherent propensity of these compounds to oligomerize. Herein is disclosed a method for the anti-Markovnikov hydroazidation of activated olefins, catalyzed by an organic acridinium salt under irradiation from blue LEDs. This method is applicable to a variety of substituted and terminal styrenes and several vinyl ethers, yielding synthetically versatile hydroazidation products in moderate to excellent yield.

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