Various 2-(substitutedphenylmethyleneimino) aminoacetylmethylene-3-(2′- substitutedindol-3′-yl)-halosubstituted-4 (3H) quinazolinones (5a–5i) and 2-(substituted phenylaminomethyleneacetyl-4′-oxo-1′-thiazolidinyl-3-(2 ″-substitutedindol-3 ″-yl) 4 (3H)-quinazolinones (6a–6i) have been synthesized in the present studies. The structure of these compounds have been elucidated by elemental (C, H, N) and spectral (IR, 1H NMR ...