From the journal:

Chemical Communications

Ruthenium-mediated phospha-Buchner ring expansion: phosphorus insertion into a pendant arene

Zhaoyang Li,a   Ren Gaoa  and  Shaoguang Zhang ORCID logo *a  

* Corresponding authors

a Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
E-mail: sgzhang@tsinghua.edu.cn

Abstract

A ruthenium metalloligand platform enables formal phosphorus-atom insertion from NaOCP into a pendant electron-rich arene, affording a Ru-bound phosphepine. X-ray diffraction confirms a puckered, bond-localized seven-membered P-heterocycle formed without arene prefunctionalization. DFT supports dearomatizative [2+1] cycloaddition followed by electrocyclic ring opening.

Graphical abstract: Ruthenium-mediated phospha-Buchner ring expansion: phosphorus insertion into a pendant arene

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Article information

DOI
https://doi.org/10.1039/D6CC01946C
Article type
Communication
Submitted
30 Mar 2026
Accepted
27 May 2026
First published
28 May 2026

Chem. Commun., 2026, Advance Article

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Ruthenium-mediated phospha-Buchner ring expansion: phosphorus insertion into a pendant arene

Z. Li, R. Gao and S. Zhang, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC01946C

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