Boronic Acid‐Mediated Photocatalysis Enables the Intramolecular Hydroacylation of Olefins Using Carboxylic Acids

Autor:	Taichi Yumura, Takeshi Nanjo, Yoshiji Takemoto
Rok vydání:	2022
Předmět:	Acyl radical Boronic acid Carboxylic acids Organic Chemistry Dual catalysis Photocatalysis Physical and Theoretical Chemistry
Zdroj:	European Journal of Organic Chemistry. 2022
ISSN:	1099-0690 1434-193X
DOI:	10.1002/ejoc.202200082
Popis:	An intramolecular hydroacylation of olefins using carboxylic acids (CAs) has been developed. With the aid of a boronic acid, CAs can be used as acyl-radical precursors in catalytic photoredox reactions driven by visible light. The CAs are easily converted into their corresponding cyclic ketones without the need to use any stoichiometric activating reagents. Mechanistic studies implied that the formation of an “ate” complex from the CA and boronic acid is crucial for the generation of the acyl radical equivalent from the unreactive carboxy group.
Databáze:	OpenAIRE
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