Abstract A series of N, N???-alkanediylbis [N?-(5-halopyrimidin-2-yl) guanidine] salts has been synthesized along with N, N???-(trans-cyclohexane-1, 4-diyl) bis [N'-(5- chloropyrimidin-2-yl) guanidine], N, N???-(cis-cyclohexane-1, 4-diyl) bis [N?-(5- chloropyrimidin-2-yl) guanidine] dihydrochloride and N-(cis-4-amino-cyclohexan-1-yl)-N'-(5- chloropyrimidin-2-yl) guanidine dihydrochloride. Furthermore, a series of N-(alkan-1-yl)-N ...