The Nef reaction involves the conversion of a nitroalkane into a ketone under acidic or oxidative conditions.
The NEF Reaction. W. E. Noland Chem. Rev. 1955, 55 (1), 137–155.
Recent synthetic developments in the nitro to carbonyl conversion (Nef reaction). Ballini, R., Petrini, M. Tetrahedron 2004, 60, 1017-1047.