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The first cobalt metallacrowns: preparation and characterization of mixed-valence cobalt(II/III), inverse 12-metallacrown-4 complexes.

作者信息

Stamatatos Theocharis C, Dionyssopoulou Stavroula, Efthymiou Georgios, Kyritsis Panayotis, Raptopoulou Catherine P, Terzis Aris, Vicente Ramon, Escuer Albert, Perlepes Spyros P

机构信息

Department of Chemistry, University of Patras, Greece.

出版信息

Inorg Chem. 2005 May 16;44(10):3374-6. doi: 10.1021/ic050208r.

DOI:10.1021/ic050208r
PMID:15877413
Abstract

Aerobic reactions of Co(O(2)CMe)(2).4H(2)O with di-2-pyridyl ketone oxime (Hpko) in the presence of counterions (ClO(4)(-), PF(6-)) give the tetranuclear, mixed-valence cobalt(II/III) clusters [Co(II)(2)Co(III)(2)(OR)(2)(O(2)CMe)(2)(pko)(4)S(2)]X(2) [R = H, S = MeOH, X = ClO(4) (1); R = Me, S = EtOH, X = PF(6) (2)] depending on the solvent mixture. Complexes 1 and 2 are the first Co members in the family of metallacrowns adopting the extremely rare inverse 12-metallacrown-4 motif.

摘要

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