Abstract
In the aminal-type title compound, C
10
H
15
N
3
, the six-membered hexahydropyrimidine ring adopts a chair conformation and the N atoms are pyramidally coordinated. One of the two amido –NH units engages in intermolecular hydrogen bonding with the pyridyl N atom, generating a helical chain running along the
b
axis of the orthorhombic unit cell.