2-Anilino-3-(2-hy-droxy-phen-yl)quinazolin-4(3H)-one-triphenyl-phosphine oxide (1/1).

ABSTRACT

In the title compound, C(20)H(15)N(3)O(2)·C(18)H(15)OP, the pyrimidinone heterocycle and the fused phenyl ring are inclined at 1.92 (7)°. Only the hy-droxy group is involved in hydrogen bonding, whereas the amino group is shielded from potential acceptors.