K. Spirkova et S. Stankovsky, ANNELATION TO THE QUINAZOLINE RING - PREPARATION OF SOME SUBSTITUTED 2H-IMIDAZO-[1,2-C]QUINAZOLINES AND 2,3-DIHYDROPYRIMIDO-[1,2-C]QUINAZOLINES, Collection of Czechoslovak Chemical Communications, 61(6), 1996, pp. 957-961
Preparation of some substituted 2H-imidazo[1,2-c]quinazolin-3-ones (2a
-2f) and 2,3-dihydropyrimido[1,2-c]quinazolin-4-ones (3a-3c) by reacti
on of corresponding 3H-quinazoline-4-thiones (la-ld) with amino acid e
sters is described. IR, H-1 NMR and C-13 NMR spectra of the compounds
synthesized are presented.