Issue 55, 2023
From the journal:

Chemical Communications

Unusual coordination mode for 1,3-diphosphete ligands towards a Cr–Cr quintuple bond complex†‡

M. Elsayed Moussa,§a   E.-M. Rummel,§a   G. Balázs,a   C. Riesinger,a   A. Noor, ORCID logo bc   R. Kempeb  and  M. Scheer ORCID logo *a  

* Corresponding authors

a Department of Inorganic Chemistry, University of Regensburg, D93040, Regensburg, Germany
E-mail: manfred.scheer@ur.de

b Department of Inorganic Chemistry, University of Bayreuth, Bayreuth, Germany

c Department of Basic Sciences, Preparatory Year Deanship, King Faisal University, 31982 Al-Hassa, Saudi Arabia

Abstract

The reaction of LCr[5 with combining low line]CrL (L = N2C25H29, 1) with the phosphaalkynes R–C≡P (R = tBu, Me, Ad) yields the neutral dimerisation compounds [L2Cr2(μ,η1:η1:η2:η2-P2C2R2)] (R = tBu (2), Me (3)) and the tetrahedrane complex [L2Cr2(μ,η2:η2-P[double bond, length as m-dash]CAd)] (4). The 1,3-diphosphete ligands in complexes 2 and 3 are the first to possess this structural feature spanned over a metal–metal multiple bond, while the slightly bigger adamantyl phosphaalkyne remains a monomer in 4 with a side-on coordination mode.

Graphical abstract: Unusual coordination mode for 1,3-diphosphete ligands towards a Cr–Cr quintuple bond complex

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Article information

DOI
https://doi.org/10.1039/D3CC01358H
Article type
Communication
Submitted
20 Mar 2023
Accepted
14 Jun 2023
First published
15 Jun 2023

Chem. Commun., 2023,59, 8588-8591

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Unusual coordination mode for 1,3-diphosphete ligands towards a Cr–Cr quintuple bond complex

M. Elsayed Moussa, E.-M. Rummel, G. Balázs, C. Riesinger, A. Noor, R. Kempe and M. Scheer, Chem. Commun., 2023, 59, 8588 DOI: 10.1039/D3CC01358H

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