Synthesis of 6-hydroxytetrahydro-1,3-thiazine-2-thiones and methyl esters of 3-oxoalkyldithiocarbamic acids from 1,3-isothiocyanato ketones

Sodium salts of 3-oxoalkyldithiocarbamic acids were obtained by the reaction of 1,3-isothiocyanato ketones with sodum hydrosulfide. These salts were converted by reaction with methyl iodide into the corresponding dithiocarbamates, and with a mineral acid into the 6-hydroxytetrahydro-1,3-thiazine-2-thiones.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 416–419, March, 1991.