Acid-catclyzed hydrothiolysis of 1,3-dihaloacetones (XCH2)(2)CO (X=Cl, Br) at low temperature was investigated in various solvents. Optimum conditions were found for the formation of 1,3-dichloropropan-2-ol-2-thiol and 1,3-dibromo(dichloro)propan-2-thiones, the first representatives of compounds containing (XRR'C)(2)C(OH)SH and (XRR'C)(2)C=S (X = Hlg, R,R'= H, hydrocarbyl) fragments.