Abstract 5-(4-Aminophenoxymethyl)-2-oxazolidinethiones were synthesized by the cyclization of 1-(4-aminophenoxy)-3-amino-2-propanol in the presence of potassium hydroxide and carbon disulfide. This oxazolidinethione, on reaction with suitable isothiocyanates, yielded 5-[4-(substituted thiocarbamido) phenoxymethyl]-2- oxazolidinethiones. These compounds antagonized the uterotropic effects of ...