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An enantioselective formal synthesis of (-)-aflatoxin B2 from 4-methoxyphenylacetic acid has been achieved by an approach that produces a key carbon-carbon bond, a benzylic stereocenter, and two arene carbon-oxygen bonds… Click to show full abstract
An enantioselective formal synthesis of (-)-aflatoxin B2 from 4-methoxyphenylacetic acid has been achieved by an approach that produces a key carbon-carbon bond, a benzylic stereocenter, and two arene carbon-oxygen bonds in the course of three site-selective C-H functionalizations. The carbonyl-directed acetoxylation of two arene C-H bonds described herein is unprecedented in natural product synthesis and occurs under mild conditions that preserve the configuration of a sensitive benzylic stereocenter.
Journal Title: Organic letters
Year Published: 2021
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