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First reversible electrogeneration of triply oxidized nickel porphyrins and porphycenes: formation of nickel(III) pi dications
- Source :
- Inorganic Chemistry. Sept 29, 1993, Vol. 32 Issue 20, p4177, 2 p.
- Publication Year :
- 1993
-
Abstract
- A nonaqueous medium is used to reveal three reversible one-electron oxidations which influence a Ni(II) porphyrin or porphyrene to form (P)Ni and (OEPc) Ni. A Pi cation radical and dication are produced in a systematic method to coordinate with the primary two oxidations. A Ni(II/III) interaction is observed at half-wave potentials during the third oxidation. The Fe(II) and CO(II) complexes show metal-centered oxidations with TPP, OEPc or ORTPP macrocycles, with half-wave potentials that are compared to the Ni(II) porphyrins.
Details
- ISSN :
- 00201669
- Volume :
- 32
- Issue :
- 20
- Database :
- Gale General OneFile
- Journal :
- Inorganic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.14776359