Nickel-catalyzed dehydrogenative Zn–Zn coupling to a Zn(I) dimer and its reactivity

Sagrika Rajput; Smrutirani Padhan; Nithya M. Thilakan; Sayantan Mukhopadhyay; Sharanappa Nembenna

doi:10.1039/D5CC06233K

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Nickel-catalyzed dehydrogenative Zn–Zn coupling to a Zn(i) dimer and its reactivity

Sagrika Rajput,

^a Smrutirani Padhan,

^a Nithya M. Thilakan,

^a Sayantan Mukhopadhyay

^a and Sharanappa Nembenna

*^a

Author affiliations

* Corresponding authors

^a School of Chemical Sciences, National Institute of Science Education and Research (NISER), Homi Bhabha National Institute (HBNI), Bhubaneswar, India
E-mail: snembenna@niser.ac.in

Abstract

High-yield access to a bis-guanidinate zinc(I) dimer was achieved via nickel-catalyzed dehydrocoupling of a zinc(II) hydride. Reactions of Zn(I) dimer with diphenyl dichalcogenides and sulfur resulted in the formation of zinc chalcogenolates and a rare zinc(II) hexasulfide, respectively. Protonolysis of the zinc chalcogenolates afforded zinc hydroxide or phenoxide complexes.

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DOI: https://doi.org/10.1039/D5CC06233K
Article type: Communication
Submitted: 01 Nov 2025
Accepted: 26 Nov 2025
First published: 27 Nov 2025
This article is Open Access

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Chem. Commun., 2026, Advance Article

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Nickel-catalyzed dehydrogenative Zn–Zn coupling to a Zn(I) dimer and its reactivity

S. Rajput, S. Padhan, N. M. Thilakan, S. Mukhopadhyay and S. Nembenna, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D5CC06233K

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Nickel-catalyzed dehydrogenative Zn–Zn coupling to a Zn(i) dimer and its reactivity

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Nickel-catalyzed dehydrogenative Zn–Zn coupling to a Zn(I) dimer and its reactivity

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