Metallkomplexe mit Tetrapyrrol-Liganden, XXXIII [1] Darstellung von Azidochrom(III)-, Azidomangan(III)- und Azidoeisen(III)-Porphyrinen und deren Photolyse zu terminalen oder verbrückten Nitridometallporphyrinen / Metal Complexes with Tetrapyrrole Ligands XXXIII [1] Preparation of Azidochromium(III)-, Azidomanganese(III)-, and Azidoiron(III) Porphyrins and their Photolysis to Terminal or Bridged Nitridometal Porphyrins
Open Access
- 1 February 1984
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 39 (2) , 222-230
- https://doi.org/10.1515/znb-1984-0218
Abstract
Azidometal(III) porphyrins, e.g. M(TTP)N3 1 Aa-1 Ca (M = Cr, Mn, Fe), are transformed into nitrido complexes on irradiation with ultraviolet light. Thus, CrIII or MnIII complexes, e.g. Cr(TTP)N3 or Mn(TTP)N3, yield Crv and Mnv complexes with terminal nitride ligands, e.g. Cr(TTP)N (1Ab) or Mn(TTP)N (1Bb) with concomitant liberation of 1 mol of N2. However, the FeIII complex Fe(TTP)N3 produces the mixed-valence ,μ-nitrido-bis[iron(III,IV)] complex, [Fe(TTP)]2N (1Cg) and about 1.2 mol of N2 per mol of Fe. The azidometal(III) porphyrins are prepared from the corresponding hydroxo- or μ-oxo-metal(III) porphyrins and hydrazoic acid in benzeneKeywords
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