J. Muzart et S. Aitmohand, CHROMIUM-MEDIATED BENZYLIC OXIDATIONS BY SODIUM PERCARBONATE IN THE PRESENCE OF A PHASE-TRANSFER CATALYST, Tetrahedron letters, 36(32), 1995, pp. 5735-5736
In the presence of catalytic amounts of (n-Bu(3)Sn0)(2)CrO2, Adogen 46
4 and p-toluenesulfonic acid, benzylic methylene groups are effectivel
y oxidized into alcohols and ketones by sodium percarbonate in refluxi
ng acetonitrile.