Preparation of new 2-amino- and 2,3-diam
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Helio G. Bonacorso; RogΓ©rio V. Lourega; Fernando J. Righi; Everton D. Deon; Nilo
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Article
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2008
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Journal of Heterocyclic Chemistry
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English
β 476 KB
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4,4'-biphenyl, 1-naphthyl, 2-thienyl, 2-furyl, is reported. The corresponding series of 2-aryl(heteroaryl)-4-trifluoromethyl-3H-pyrido[2,3-b][1,4]diazepin-4-ols obtained from intramolecular cyclization reaction of the respective trifluoroacetyl enamines or from the direct cyclocondensation reaction