The First Macrocyclic Square-Planar Cobalt(III) Complex Relieves Ring Strain by Forming a Nonplanar Amide

Even if metal center and ligand are not perfectly matched, a complex can be formed—though not without “sacrifices”. In crystalline [Co(η4‐1)]⊖ cobalt(III) is square‐planar coordinated; the ligand must rotate a CO group out of the CoN4 plane in order to reduce the ring strain. [Me4N] [Co(η4‐1)] forms...

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Veröffentlicht in:	Angewandte Chemie International Edition 1989-11, Vol.28 (11), p.1509-1511
Hauptverfasser:	Collins, Terrence J., Uffelman, Erich S.
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Sprache:	eng
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description	Even if metal center and ligand are not perfectly matched, a complex can be formed—though not without “sacrifices”. In crystalline [Co(η4‐1)]⊖ cobalt(III) is square‐planar coordinated; the ligand must rotate a CO group out of the CoN4 plane in order to reduce the ring strain. [Me4N] [Co(η4‐1)] forms bright red crystals.
doi_str_mv	10.1002/anie.198915091
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title	The First Macrocyclic Square-Planar Cobalt(III) Complex Relieves Ring Strain by Forming a Nonplanar Amide
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