Issue 28, 2024

Pd-catalyzed divergent regioselective annulation of phosphinyl allenes accessing polyarylfurans and 2H-chromenes

Abstract

A novel and efficient regioselective annulation of phosphinyl allenes with 2-bromophenol or 1-bromo-2-naphthol is achieved by palladium catalysis. The divergent pathway delivers structurally diverse polyarylfurans and 2H-chromene skeletons via two different Heck-type annulations. This protocol represents regioselectivity-tunable transformation of allenes into functionalized O-containing heterocycles with excellent group compatibility.

Graphical abstract: Pd-catalyzed divergent regioselective annulation of phosphinyl allenes accessing polyarylfurans and 2H-chromenes

Supplementary files

Article information

Article type
Communication
Submitted
07 Dec 2023
Accepted
06 Mar 2024
First published
07 Mar 2024

Chem. Commun., 2024,60, 3814-3817

Pd-catalyzed divergent regioselective annulation of phosphinyl allenes accessing polyarylfurans and 2H-chromenes

Y. Li, X. Yan, L. Hu, K. Luo, J. Zhu and L. Wu, Chem. Commun., 2024, 60, 3814 DOI: 10.1039/D3CC05974J

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