On the Synthesis of cis‐Tetramminecobalt(III) Complexes

Abstract

The preparation is described of cis‐tetramminebis(dimethylformamide)cobalt(III) and cis‐tetramminebis(trifluoromethanesulfonato)cobalt(III) complexes. The compounds were studied as starting materials for the synthesis of other tetrammine compounds formed by substitution processes which are based on the reactivity of the ligands.

Formation and transformation of Amminecarbonatocobalt(III) Complexes

“…When acid is added, the tetraammine decomposes by elimination of CO, to cis-[Co(NH,),(H,O)-(d,dmso)]3+. Thus, elimination of the carbonate ligand proceeds via retention of the cis-configuration [13]. This reaction can be used for assigning purposes.…”