The reactions of the tri-µ-hydroxo-bis[η6-p-cymeneosmium(II)] cation with aldehydes and acids and the homogeneously catalysed oxidation of acetaldehyde and propionaldehyde with water. X-Ray structure of [(p-MeC6H4CHMe2)2Os2(µ-HCO2)(µ-OH)(µ-H)][PF6] | Publicación