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Paper | Regular issue | Vol 51, No. 9, 1999, pp.2103-2109
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8604
Pyrrolo[2,3-b][1,4]benzothiazine. A New Ring System from Azidopyrroles

Patrizia Diana, Alessandra Passannanti, Paola Barraja, Antonino Lauria, and Girolamo Cirrincione*

*Instituto Farmacochimico, Università Degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy

Abstract

Nucleophilic substitutions in pyrrole series by uncharged nucleophiles, represented a valuable and versatile method to synthesize different types of key intermediates such as compounds (6), that were used to prepare the corresponding azides (10) which by thermal decomposition afforded the title ring system (11).