2‐Amino‐4‐(2‐pyridyl)thiazole (H2L) complexes of iron(III), iron(II), cobalt(II), nickel(II) and copper(II) have been prepared for the first time. The oxido‐bridged dinuclear ferric complex [(H2L)2FFeIII(μ‐O)FeIIIF(H2L)2](BF4)2 (1) and the mononuclear difluorido complex [FeIII(H2L)2F2](BF4) (2) were prepared with Fe(BF4)2·6H2O. Complex 1 contains strong antiferromagnetically coupled iron(III) ions. In addition, the mononuclear 3:1‐type complex [Co(H2L)3](ClO4)2 (3) and the mononuclear 2:1‐type complexes [Cu(H2L)2](ClO4)2 (4) and [M(H2L)2(NCX)2] (5: M = Fe, X = S; 6: M = Fe, X = Se; 7: M = Co, X = S; 8: M = Ni, X = S) were prepared.
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