1,5-Diazacyclooctane
1,5-Diazacyclooctane is an organic compound with the formula (CHCHCHNH). It is a colorless oil. 1,5-Diazacyclooctane is a cyclic diamine. Synthesis and reactions. It is prepared in low yield by the alkylation of hydrazine with 1,3-dibromopropane. The N-H centers can be replaced with many other groups. As a bis secondary amine, it condenses with aldehydes to give bicyclic derivatives. When treated with transition metal salts, it serves as a chelating ligand.