Communications

Facile synthesis of half-sandwich hydrido nickel complexes (NHC)Ni(H)(ƞ⁵-C₅H₅)

O. V. Khazipova, A. P. Savost'yanov, O. V. Khazipov, V. M. Chernyshev

Platov South-Russian State Polytechnic University (NPI), 346428 Novocherkassk, Russian Federation.

Abstract: A simple and efficient method has been developed for preparation of nickel hydride complexes bearing N-heterocyclic carbene (NHC) ligands and a cyclopentadienyl (Cp) co-ligand, with the general formula [(NHC)Ni(H)(ƞ⁵-Cp)], in good to excellent yields. This approach involves a halide-to-hydride exchange on readily accessible, bench-stable [(NHC)Ni(Cl)(ƞ⁵-Cp)] precursors via treatment with NaAlH₄ in dioxane at 40°C.

Keywords: nickel hydride complexes, N-heterocyclic carbene, cyclopentadienyl anion, sodium aluminium hydride, catalysis.

Received: 01.09.2025
Accepted: 07.10.2025

Language: English

DOI: 10.71267/mencom.7906