Issue 14, 2022

Rhodium-catalyzed reaction of diazoquinones with allylboronates to synthesize allylphenols

Abstract

Allylphenol is an important and ubiquitous structural motif in biologically active natural products and pharmaceuticals. Herein, we report a Rh2(esp)2-catalyzed reaction of diazoquinones with allylboronates, which provides access to a range of allylphenols, including para-allylphenols, ortho-allylphenols and allylnaphthols, in 44–94% yields and under mild conditions. The synthetic utility of the method was demonstrated by the short synthesis of two bioactive molecules. The mechanistic studies suggest that the reaction proceeds through a cyclopropanation/ring opening/aromatization pathway.

Graphical abstract: Rhodium-catalyzed reaction of diazoquinones with allylboronates to synthesize allylphenols

Supplementary files

Article information

Article type
Research Article
Submitted
18 Apr 2022
Accepted
23 May 2022
First published
24 May 2022

Org. Chem. Front., 2022,9, 3677-3683

Rhodium-catalyzed reaction of diazoquinones with allylboronates to synthesize allylphenols

J. Rao, J. Zhao, X. Zhu, Z. Guo, C. Wang and C. Zhou, Org. Chem. Front., 2022, 9, 3677 DOI: 10.1039/D2QO00626J

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