Procedure for the preparation of dialcohilicos steres of N-cyano-ditioimidocarbonic acids. (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for the preparation of N-cyano-dithioimidocarbonic acid dialkohydric esters from cyanamide, carbon sulfide and an alcoholizing agent, characterized in that a solution of one mole of cyanamide is reacted in a water miscible solvent, in the presence of a basic substance, with one mole of carbon sulfide at temperatures between 18ºC and 80ºC, and then the reaction mixture is treated at a temperature between 0ºC and 100ºC with an alcoholizing agent of the formula RZ I, where R denotes an alcoholic group with 1- 6 carbon atoms, and Z bromine, iodine, the group O (SO4) 1/2 or the group ASO2O-, and representing A an alcoholic group with 1-6 carbon atoms or an aromatic radical, such as for example a phenyl or naphthyl radical, optionally substituted with one or more lower alcohol radicals. (Machine-translation by Google Translate, not legally binding)