MANUFACTURE OF DERIVATIVES OF 5H-THIAZOLO-AND 5H-1,3,4-THIADIAZOLO/3,2-A/PIRIMIDIN-5-PYRIMIDIN-5-ON AND 3,4-DIHYDRO-2H,6H-PYRIMIDO/2,1-B/ /1,3/-THIAZIN-6-ON

摘要

Novel 5H-thiazolo- and 5H-1,3,4-thiadiazolo[3,2-a]-pyrimidin-5-one and 3,4-dihydro-2H,6H-pyrimido[2.1.b] [1,3]-thiazin-6-one derivatives, which compounds are useful psychotropic agents; a method of treating psychotropic diseases by the use of said compounds; pharmaceutical compositions containing same as an active ingredient and a method of preparing said pharmaceutical compositions.