Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The Fe 2 O 3 -catalyzed oxidation of ketones with molecular oxygen (1 atm) in the presence of an aldehyde at room temperature gives the corresponding lactones or esters highly efficiently. ... The Fe 2 O 3 -catalyzed oxidation of ketones with molecular oxygen in the ...