%0 Journal Article
%T Synthesis of the Novel 4,4£¿- and 6,6£¿- Dihydroxamic - 2,2£¿-Bipyridines and Improved Routes to 4,4£¿- and 6,6£¿- Substituted 2,2£¿-Bipyridines and Mono-N-Oxide-2,2£¿-Bipyridine
%A Donnici
%A Claudio Luis
%A M¨¢ximo Filho
%A Daniel Henrique
%A Moreira
%A Leda L¨²cia Cruz
%A Reis
%A Genu¨ªna Teixeira dos
%A Cordeiro
%A Estefania Santos
%A Oliveira
%A Ione Ma. Ferreira de
%A Carvalho
%A Sandra
%A Paniago
%A Eucler B.
%J Journal of the Brazilian Chemical Society
%D 1998
%I Sociedade Brasileira de Qu¨ªmica, SBQ
%R 10.1590/S0103-50531998000500008
%X the preparation of key precursors for many 2,2£¿-bipyridine derivatives such as 4,4£¿-dicarboxy- 2,2£¿-bipyridine (i), 6,6£¿-dicarboxy-2,2£¿-bipyridine- acid (ii), 4,4£¿-dinitro-2,2£¿-bipyridine-n,n-dioxide (iii), 6,6£¿-dicarbothioamide-2,2£¿-bipyridine (iv) and mono-n-oxide-2,2£¿-bipyridine (vii) through more efficient methods is described. the syntheses of the novel ligands 4,4£¿-dihydroxamic-2,2£¿-bipyridine (v) and 6,6£¿-dihydroxamic-2,2£¿-bipyridine (vi) are also reported.
%K 2
%K 2£¿- bipyridine derivatives
%K improved syntheses
%K hydroxamic 2
%K 2£¿-bipyridines.
%U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-50531998000500008&lng=en&nrm=iso&tlng=en