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New Polymorph of 1,3-Bis(2,6-di-isopropylphenyl)-4,5-Dichloroimidazole-2-Ylidene and a Cobalt Complex with this Compound

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Abstract

A new crystal modification of the N-heterocyclic carbene 1,3-bis(2,6-di-isopropylphenyl)-4,5-dichloroimidazol-2-ylidene (IPrCl, 1) is obtained and structurally characterized. The hydrolysis of this compound leads to the formation of the (IPrClH)+Cl (2) hydrochloride. The [Co3(Piv)4Cl2(IPrCl)2]·2C7H8 (3·2C7H8) mixed-ligand complex is synthesized by the interaction of the [Co(Piv)2]n cobalt pivalate with IPrCl and is characterized by XRD.

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This work was funded by the Russian Science Foundation (project No. 19-13-00436-P).

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Russian Text © The Author(s), 2024, published in Zhurnal Strukturnoi Khimii, 2024, Vol. 65, No. 1, 120712.https://doi.org/10.26902/JSC_id120712

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Petrov, P.A., Nikolaevskii, S.A., Filippova, E.A. et al. New Polymorph of 1,3-Bis(2,6-di-isopropylphenyl)-4,5-Dichloroimidazole-2-Ylidene and a Cobalt Complex with this Compound. J Struct Chem 65, 117–124 (2024). https://doi.org/10.1134/S0022476624010116

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