Bustos, CarlosSchott, EduardoRíos, MarcelaSánchez, ChristianCárcamo, Juan-Guillermo2013-10-222016-05-242013-10-222016-05-242009Revista de la Sociedad Química de Chile, Vol. 54, Nº 3, pp. 267-268, 2009.ISSN: 0717-9707DOI: 10.4067/S0717-97072009000300013http://repositorio.unab.cl/xmlui/handle/ria/1944Indexación: ScieloNew 3,5-dimethyl-4-[(E)-4-(R1-phenyl)diazenyl]isoxazoles and 3,5-dimethyl-1-(R2-phenyl)-4-[(E)-(R1-phenyl)diazenyl]-1H-pyrazoles may be obtained by reaction of 3-[2-(R1-phenyl)hydrazono)]pentane-2,4-dione with H2NOH-HCl and R2-4-C6H4-NHNH2, respectively. The reactions were performed in ethanol as solvent and catalyzed by glacial acetic acid.enIsoxazolesPyrazoles from ß-diketohydrazonesArtículo© 2013 Sociedad Chilena de Química