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. 2023 Nov 21;29(65):e202302258.
doi: 10.1002/chem.202302258. Epub 2023 Oct 11.

Germanium(II) Dithiolene Complexes

Phuong M Tran  1 , Yuzhong Wang  1 , Mitchell E Lahm  1 , Pingrong Wei  1 , Christopher J Molnar  1 , Henry F Schaefer 3rd  1 , Gregory H Robinson  1
Affiliations

Germanium(II) Dithiolene Complexes

Phuong M Tran et al. Chemistry. .

Abstract

The 1 : 2 reaction of the imidazole-based dithiolate (2) with GeCl2 • dioxane in THF/TMEDA gives 3, a TMEDA-complexed dithiolene-based germylene. Compound 3 is converted to monothiolate-complexed (5) and N-heterocyclic carbene-complexed (7) germanium(II) dithiolene complexes via Lewis base ligand exchange. A bis-dithiolene-based germylene (8), involving a 3c-4e S-Ge-S bond, has also been synthesized through controlled hydrolysis of 7. The bonding nature of 3, 5, and 8 was investigated by both experimental and theoretical methods.

Keywords: carbenes; dithiolenes; germanides; germanium; germylenes.

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References

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