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The title compd., C20H15N3O, was synthesized and the structure was investigated by X-ray crystallog.  The compd. crystallizes in the triclinic crystal class in the space group P1 with cell parameters a = 7.724(6)A, b = 9.059(6)A, c = 12.186(1)A, Î± = 78.588(5)Â°, Î² = 73.630(4)Â°, Î³ = 70.924(5)Â°, Z = 2.  The dihydropyrimidine ring in the quinazoline moiety is in an skew-boat conformation.  The structure exhibits intermol. hydrogen bonds of the type N-H...O and O-H...N. [on SciFinder(R)

Synthesis and Crystal Structure of 6-p-Hydroxyphenyl-5,6-dihydrobenzoimidazo[1,2-c]quinazoline