| abstract |
A method for manufacturing cobalt complexes having the formula: n n [Co(NH.sub.3).sub.5 M]T.sub.y n n wherein M ligands are selected from substituted and unsubstituted C 1 -C 30 carboxylic acids having the formulas: n n RC(O)O--; n n said method comprising reacting cobalt complexes having the formula [Co(NH 3 ) 5 X]T y (e.g., X is chlorine) with concentrated ammonium hydroxide followed by carboxylic acid anhydride of the formula RC(O)O(O)CR. |