2-Anilino-3-(2-hydroxyphenyl)quinazolin-4(3H)-one–triphenylphosphine oxide (1/1)

Abstract

In the title compound, C20H15N3O2·C18H15OP, the pyrimidinone heterocycle and the fused phenyl ring are inclined at 1.92 (7)°. Only the hydroxy group is involved in hydrogen bonding, whereas the amino group is shielded from potential acceptors.