Benzoyl isothiocyanate → N-Benzoyl-N'-[2-hydroxy-3-[3-(1-piperidinylmethyl)phenoxy]propyl]-1,3,4-thiadiazole-2,5-diamine

Beteiligte Stoffe

Reaktionsschritte

0.33 g (2 mmol) of benzoyl isothiocyanate are added to 0.68 g (2 mmol) of N-[2-hydroxy-3-[3-(1-piperidinylmethyl)phenoxy]propyl]-hydrazine carbothioamide in 20 ml of THF and the reaction mixture is stirred overnight at room temperature. After removal of the THF by evaporation, the solid residue is washed with ether and dissolved in 30 ml of ethanol with heating, and 1 ml of 30% hydrogen peroxide is added. The sulphur which separates is filtered off, the filtrate is concentrated by evaporation and the oily residue is purified by preparative layer chromotography.

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