title: N,N'-Dimethyl-N,N'-diphenyl-3-oxa-penta-nediamide.
abstract: In the title compound, C(18)H(20)N(2)O(3), the two phenyl rings, adopt opposite orientations in the backbone and are oriented at a dihedral angle of 36.66 (3)°. In the crystal, inter-molecular C-H⋯O inter-actions link the mol-ecules into a three-dimensional network.
authors.affiliation: School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, People's Republic of China.
authors.forename: Shaohong
authors.initials: S
authors.lastname: Yin
authors.forename: Yu
authors.initials: Y
authors.lastname: Cui
authors.forename: Guangpu
authors.initials: G
authors.lastname: Wu
authors.forename: Qi
authors.initials: Q
authors.lastname: You
authors.forename: Guoxin
authors.initials: G
authors.lastname: Sun