Ravichandran K, Ramesh P, Sethuvasan S, Ponnuswamy S, Ponnuswamy M N
Acta Crystallogr Sect E Struct Rep Online. 2009 Oct 28;65(Pt 11):o2884. doi: 10.1107/S160053680904330X.
In the title compound, C(19)H(22)N(2)O, the diazepine ring adopts a distorted chair conformation. One of the N-H groups forms an inter-molecular N-H⋯O hydrogen bond generating an R(2) (2)(8) graph-set motif. The other N-H group does not form a hydrogen bond.