%0 Journal Article %T %J نشریه علمی پژوهشی دانشگاه آزاد اسلامی %I دانشگاه آزاد اسلامی %Z %A mohammadi, mohammad kazem %D 1970 %\ 01/01/1970 %V %N %P - %! %K New 1 %K 5-tetra alkyl methyl- phenyl-1H-pyrimido[4 %K 5-e][1 %K 4]thiadiazine-3 %K 7-diamine were synthesized via the cyclocondensation of 2-(5-bromo-2-chloro-6-methylpyrimidin-4-yl)-2-methylhydrazine with phenylthioisothiocyanate and further replacement of chlorine atom on the seven number position of pyrimido[4 %K 5- e][1 %K 3 %K 4]thiadiazin by appropriate secondary amines in simple and efficient methods %R %X %U