Role of bifunctional N/S bridging in the association of metals; syntheses and structures of heterobimetallic [(Ph3P)2CuL2Li(thf)2]·thf and tetrameric [{CuL(PPh3)}4] (L = 1,3-benzoxazoline-2-thionate, thf = tetrahydrofuran)

DOI: 10.1039/DT9960003793

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 3793 - 3797 (1996)

Update date:2022-07-29

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Authors:

Beswick, Michael A.

Brasse, Claudia

Halcrow, Malcolm A.

Raithby, Paul R.

Russell, Christopher A.

Steiner, Alexander

Snaith, Ronald

Wright, Dominic S.

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Article abstract of DOI:10.1039/DT9960003793

Nucleophilic substitution of the cp (η-C₅H₅) ligand of [Cu(Cp)(PPh₃)] with LiL (L = 1,3-benzoxazoline-2-thionate) gave the heterobimetallic complex [(Ph₃P)₂CuL₂Li(thf)₂]·thf 1 (thf = tetrahydrofuran), the ligand-transfer reaction of which with CuCl₂ generated the tetrameric cage complex [{CuL(PPh₃)}₄] 2. The crystal structures of these complexes revealed that the association of the metal centres occurs by a variety of ligand co-ordination modes (μ-S, N; N, μ-S; μ₃-S). Electrochemical measurements have been used to probe the nature of the species present in solution.

Full text of DOI:10.1039/DT9960003793

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