5,5′-(Piperazine-1,4-diyl)bis(8-chloropyrido[2,3-b][1,5]benzoxazepine)

Abstract

The centrosymmetric title compound, C28H20Cl2N6O2, features a tricyclic framework with the characteristic V-shape of the pyridobenzoxazepine nucleus and with the central seven-membered heterocycle having a classical boat conformation. The piperazine ring displays an almost-perfect chair conformation, with the tricyclic nuclei assuming a pseudo-equatorial orientation.