Savelli, Francesco and Boido, A. and Satta, M. and Peana, Alessandra Tiziana and Marzano, Cristina (1994) Synthesis and CNS activities of pyridopyrazinone and pyridodiazepinone derivatives. Il Farmaco, Vol. 49 (4), p. 259-265. ISSN 0014-827X. Article.
New tricyclic derivatives with cyclocondensed pyrido-pyrazine 7,10 and pyrido-diazepine 20a,20b skeletons were synthetized and biologically investigated. The compounds, preliminarily tested on explorative, muscle relaxing, antinociceptive, spontaneous motor activities and influence on the narcotic effect of Evipan, revealed interesting CNS depressant and analgesic activities. The pyrido[2,3-e]pyrrolo[1,2-a]pyrazine structure of 7 appeared the most promising for analgesic and neuroleptic activities. The above compounds were assayed also for their capacity to inhibit DNA synthesis in Ehrlich ascites tumor cells; 20a appeared to be able of inducing a significant inhibition.
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