Palladium-Catalyzed Addition/Cyclization of (2-Hydroxyaryl)boronic Acids with Alkynylphosphonates: Access to Phosphacoumarins

Palladium-Catalyzed Addition/Cyclization of (2-Hydroxyaryl)boronic Acids with Alkynylphosphonates: Access to Phosphacoumarins

A facile palladium-catalyzed addition/cyclization of (2-hydroxyaryl)­boronic acids with alkynylphosphonates has been developed, providing an effective strategy to construct a series of valuable phosphacoumarins. This methodology features excellent regioselectivity and broad substrate tolerance.

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Bibliographic Details
Published in:Organic letters Vol. 22; no. 20; pp. 8156 - 8160
Main Authors: Ma, Dumei, Hu, Shanshan, Chen, Sirui, Pan, Jiaoting, Tu, Song, Yin, Yingwu, Gao, Yuxing, Zhao, Yufen
Format: Journal Article
Language:English
Published: United States American Chemical Society 16-10-2020
Online Access:Get full text
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Summary:A facile palladium-catalyzed addition/cyclization of (2-hydroxyaryl)­boronic acids with alkynylphosphonates has been developed, providing an effective strategy to construct a series of valuable phosphacoumarins. This methodology features excellent regioselectivity and broad substrate tolerance.
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ISSN:1523-7060
1523-7052
DOI:10.1021/acs.orglett.0c03151