1,1-Difluoro-3-phenyl-9-(pyridin-2-yl)-1H-1λ4,11λ4-1,3,5,2-oxadiazaborinino[3,4-a][1,8]naphthyridine

Abstract

In the title compound, C20H13BF2N4O, the central fused three-ring oxadiazaborininonaphthyridine system is planar (r.m.s. deviation of 0.03 Å). The phenyl ring lies in the plane of this ring system, making a dihedral angle of 0.61 (14)°, and is inclined to the pyridine ring by 9.02 (19)°. In the crystal, molecules are connected by C—H...F hydrogen bonds, forming chains propagating along the b-axis direction. The chains are linked by offset π–π interactions [intercentroid distance = 3.4550 (13) Å], forming a three-dimensional supramolecular architecture.

Keywords

• crystal structure
• 1,8-naphthyridine derivative
• BF2 complexes
• hydrogen bonding
• offset π–π interactions