Synthesis of new 5-hydroxy-2-hydroxymethyl-4H-pyran-4-one (kojic acid)
via reaction of its 2-halomethyl derivatives with salts of N,N-dialky
ldithiocarbamic acid, O-alkyl esters, and O,S-dialkyl esters of dithio
phosphoric acid is described. Biological screening of synthesized comp
ounds was performed.