N,N'-Dimethylethylenediamine (DMEDA) is the organic compound with the formula (CH3NH)2C2H4.
It features two secondary amine functional groups.
Regarding its name, N and N' indicate that the methyl groups are attached to different nitrogen atoms.
DMEDA is used as a chelating diamine for the preparation of metal complexes, some of which function as homogeneous catalysts.
[1][2] The compound is used as a precursor to imidazolidines by condensation with ketones or with aldehydes: DMEDA complexes of copper(I) halides are used to catalyze C-N coupling reactions.