Abstract

The bimetallic NiSn2 complex Ni(SnBu 3 t )2(CO)3, 1, was obtained from the reaction of Ni(COD)2 and Bu 3 t SnH and CO. The reaction of Co2(CO)8 and Bu 3 t SnH afforded the bimetallic Co–Sn complex Co(SnBu 3 t )(CO)4, 3. Compound 3 was also obtained from the reaction of Co4(CO)12 and Bu 3 t SnH but in a lower yield. Both compounds 1 and 3 were characterized by single crystal X-ray diffraction, and possess trigonal bipyramidal geometries around the transition metal centre with two and one stannyl ligands, respectively.

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