Summary. A new procedure for the selective oxidation of alcohols to the corresponding aldehydes and ketones with potassium permanganate supported on aluminum silicate at room temperature under solvent-free conditions and shaking is reported. ... Keywords. Alcohols; Oxidation; Potassium permanganate; Solvent-free; Shaking. ... One of the most important reactions of alcohols, which have long been the objec- tive of many research papers, is their oxidation to the ...