Some new organometallics of ruthenium (II) of the type [RuCl2 (COD)(CO) L](1a–f) and [RuCl2 (COD) L2](2a–f)(where L is substituted tertiary phosphines), have been synthesized by using precursors [RuCl2 (COD)(CO)(CH3CN)](1) and [RuCl2 (COD)(CH3CN) 2](2) with the substituted tertiary phosphine ligands in 1: 1 and 1: 2 molar ratio. The organometallics (2a–f) have been further reacted with carbonmonoxide to produce compounds of the type [ ...