| abstract |
A process directed to the hydroxylation of olefins by reacting said olefins in the presence of oxygen, water, and a catalyst composition comprising (i) a catalytically active osmium containing compound, (ii) a Co-catalyst I comprising a copper containing compound such as CuBr2, and (iii) a Co-catalyst II capable of increasing the rate and/or selectivity of the hydroxylation reaction, such as pyridine is disclosed. |