%0 Journal Article %T Biological and structure-activity evaluation of chalcone derivatives against bacteria and fungi %A Silva %A Wender A. %A Andrade %A Carlos Kleber Z. %A Napolitano %A Hamilton B. %A Vencato %A Ivo %A Lariucci %A Carlito %A Castro %A Miriam. R. C. de %A Camargo %A Ademir J. %J Journal of the Brazilian Chemical Society %D 2013 %I Sociedade Brasileira de Qu¨Şmica, SBQ %R 10.1590/S0103-50532013000100018 %X the present work describes the antibacterial and antifungal activities of several chalcones obtained by a straight claisen-schmidt aldol condensation determined by the minimal inhibitory concentration against different microorganisms (gram-positive and gram-negative bacteria and fungi). solid state crystal structures of seven chalcones were determined by x-ray diffraction (xrd) analysis. chemometric studies were carried out in order to identify a potential structure-activity relationship. %K chalcones %K biological activities %K x-ray structures %K theoretical calculations. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-50532013000100018&lng=en&nrm=iso&tlng=en