“…It is also known that unsubstituted quinazoline reacts with indole, 3-methyl-1-phenylpyrazolone-5, 1,3-dimethylbarbituric acid, and pyrogallol in the presence of acid to form 4-σ-adducts [7]. Examples of arylation of quinazoline with 1,3,5-trimethoxybenzene, 1-(4-methoxybenzylidene) -2-phenylhydrazine, and o-phenylenediamine derivatives have been described [8].…”