Synthesis and characterization of bi(metallacycloprop-1-ene) complexes

Wei Bai; Long Yiu Tsang; Yilun Wang; Yang Li; Herman H. Y. Sung; Ian D. Williams; Guochen Jia

doi:10.1039/D2SC05378K

Synthesis and characterization of bi(metallacycloprop-1-ene) complexes†

Wei Bai,

^ab Long Yiu Tsang,

^a Yilun Wang,^bc Yang Li,

*^bc Herman H. Y. Sung,

^a Ian D. Williams

*^a and Guochen Jia

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
E-mail: chjiag@ust.hk, chwill@ust.hk

^b State Key Laboratory of Fine Chemicals, Department of Chemistry, School of Chemical Engineering, Dalian University of Technology, Liaoning 116024, P. R. China
E-mail: chyangli@dlut.edu.cn

^c School of Chemical Engineering, Dalian University of Technology, Panjin, Liaoning 124221, P. R. China

Abstract

In all previously reported metallacycloprop-1-ene or η²-vinyl complexes, the metal center bears only one vinyl moiety. We have now successfully synthesized and structurally characterized the first complexes bearing two η²-vinyl moieties or spiro bi(metallacycloprop-1-ene) complexes from reactions of alkynes with rhenium phosphine complexes. Computational studies indicate that the metallacycloprop-1-ene rings are aromatic and the complexes represent a rare σ-type spirometalla-aromatic system.

This article is part of the themed collections: Most popular 2023 inorganic chemistry articles, 2023 Chemical Science HOT Article Collection and Emerging Frontiers in Aromaticity

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DOI: https://doi.org/10.1039/D2SC05378K
Article type: Edge Article
Submitted: 27 Sep 2022
Accepted: 15 Nov 2022
First published: 16 Nov 2022
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry

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Chem. Sci., 2023,14, 96-102

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Synthesis and characterization of bi(metallacycloprop-1-ene) complexes

W. Bai, L. Y. Tsang, Y. Wang, Y. Li, H. H. Y. Sung, I. D. Williams and G. Jia, Chem. Sci., 2023, 14, 96 DOI: 10.1039/D2SC05378K

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

Chemical Science

Synthesis and characterization of bi(metallacycloprop-1-ene) complexes†

Abstract

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Synthesis and characterization of bi(metallacycloprop-1-ene) complexes

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