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Paper | Regular issue | Vol 27, No. 6, 1988, pp.1445-1450
Published online, 1st January, 1970
DOI: 10.3987/COM-88-4540
Novel Fused-ring 1,4-Benzodiazepines: Synthesis of [1,4]Oxathiano[5,6-b][1,4]benzodiazepin-2-ones

Alba Chimirri, Silvana Grasso, Giovanni Romeo,* and Maria Zappalà

*Dipartimento Farmaco-Chimico, Università di Messina, Viale Annunziata, 98168 Messina, Italy


The synthesis of the novel [1,4]oxathiano [5,6-b][1,4] benzodiazepin-2-ones was performed by condensation-cyclization reaction between 7-chloro-1,3-dihydro-3-hydroxy-5-phenyl-2H-1,4-benzodiazepin-2-one and mercaptocarboxylic acids. The structures of obtained compounds were assigned by means of spectroscopic measurements.