Preparation and Properties of 2-Nitramino-Az- 1,3-diazacycloalkenes BY AF MCKAY AND GEORGE F WRIGHT Davis and his co-workers1q2 have shown that monoalkylamines react with nitroguanidine in aqueous solution to give the corresponding N-al- kyl-N'-nitroguanidines. If these alkylnitroguani- dines are treated with excess alkylamine then the nitramino group is replaced to give, among other products, the sym-dialkylguanidines.1 One might then expect that, if ...