1,4-Diazacycloheptane is an organic compound with the formula (CH2)5(NH)2. This cyclic diamine is a colorless oily liquid that is soluble in polar solvents. It is studied as a chelating ligand. The N-H centers can be replaced with many other groups.

It used in the synthesis of some pharmaceutical drugs, including fasudil, bunazosin, homochlorcyclizine, and homopipramol.

Related compounds 1,5-Diazacyclooctane

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