Issue 22, 2020, Issue in Progress
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RSC Advances

Synthesis of 1,2,4-azadiphosphole derivatives based on vanadium-catalyzed [2+2+1] cycloaddition reactions of azobenzenes with phosphaalkynes†

Wenbin Liang,a   Kazunari Nakajima ORCID logo *b  and  Yoshiaki Nishibayashi ORCID logo *a  

* Corresponding authors

a Department of Systems Innovation, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
E-mail: ynishiba@sys.t.u-tokyo.ac.jp

b Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
E-mail: nakajima@sys.t.u-tokyo.ac.jp

Abstract

A new synthetic method is described to construct 1,2,4-azadiphosphole derivatives based on vanadium-catalyzed [2+2+1] cycloaddition reactions. Reactions of azobenzenes as nitrogen sources with phosphaalkynes as phosphorous counterparts in the presence of VCl2(thf)2 as a catalyst afford the corresponding 1,2,4-azadiphospholes.

Graphical abstract: Synthesis of 1,2,4-azadiphosphole derivatives based on vanadium-catalyzed [2+2+1] cycloaddition reactions of azobenzenes with phosphaalkynes

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Article information

DOI
https://doi.org/10.1039/D0RA02503H
Article type
Paper
Submitted
27 Feb 2020
Accepted
19 Mar 2020
First published
30 Mar 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 12730-12733

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Synthesis of 1,2,4-azadiphosphole derivatives based on vanadium-catalyzed [2+2+1] cycloaddition reactions of azobenzenes with phosphaalkynes

W. Liang, K. Nakajima and Y. Nishibayashi, RSC Adv., 2020, 10, 12730 DOI: 10.1039/D0RA02503H

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