%0 Journal Article
%T Synthesis of platinum and palladium complexes with bis-(hydroxy imines) S¨ªntese de complexos de platina e pal¨¢dio com bis-(hidroxi-iminas)
%A Lucas M. Arantes
%A Dorila Pil¨®-Veloso
%A Ad£¿o A. Sabino
%J Orbital : the Electronic Journal of Chemistry
%D 2012
%I Universidade Federal de Mato Grosso do Sul
%X The Schiff bases are an important class of compounds well used as ligands in coordination chemistry. The functionalized bis-imines, that represent a specific group of Schiff base, have been studied in our research group both for the evaluation of biological activity, against fungi and cancer, as for organocatalyst. Here the bis-imines 1 and 4 were synthesized in good yields by condensation of hydroxylated benzaldehydes with phenylenediamines. After that they were matched with Platinum and palladium salts providing three metallic complex (2, 3 and 5) that were fully characterized by nuclear magnetic resonance and mass spectrometry with electrospray ionization. Now these complexes are being tested in cross-coupling reactions of Heck and Suzuki. As Bases de Schiff s o uma importante classe de compostos muito utilizados como ligantes, na qu¨ªmica de coordena  o. As bis-iminas funcionalizadas, que representam um grupo particular de bases de Schiff, vem sendo estudadas no grupo de pesquisa, tanto para a avalia  o da atividade biol¨®gica, contra fungos e cancer, quanto para a atividade como organocatalisador. Nesse trabalho as bis-iminas 1 e 4 foram sintetizadas em bons rendimentos pela condensa  o dos hidroxi benzalde¨ªdos com fenilenodiaminas. Posteriormente, foram compatibilizadas com sais de platina e pal¨¢dio, fornecendo tr¨ºs complexos met¨¢licos (2, 3 e 5), totalmente caracterizados por ressonancia magn¨¦tica nuclear e espectrometria de massas com ioniza  o por eletrospray. No momento esses complexos est o sendo avaliados em rea  es de acoplamento cruzado de Heck e Suzuki.
%K complexos met¨¢licos
%K pal¨¢dio
%K platina
%K bis-iminas
%U http://www.orbital.ufms.br/index.php/Chemistry/article/view/384