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New potential antitumoral di(hetero)arylether derivatives in the thieno[3,2-b]p...

Queiroz, Maria João R. P.; Dias, Sofia; Peixoto, Daniela; Rodrigues, Ana Rita O.; Oliveira, Andreia D. S.; Coutinho, Paulo J. G.; Silva, Luís A. Vale

New fluorescent methoxylated di(hetero)arylethers in the thieno[3,2-b]pyridine series were prepared by a copper-catalyzed Ullmann-type C-O coupling of the methyl 3-amino-6-bromothieno[3,2-b]pyridine-2-carboxylate with ortho, meta and para-methoxyphenols, using N,N-dimethylglycine as the ligand and Cs2CO3 as the base. The compounds obtained were tested for their inhibitory growth activity in three human tumor c...


Nanoliposomes for encapsulation and delivery of the potential antitumoral methy...

Abreu, Ana S.; Castanheira, Elisabete M. S.; Queiroz, Maria João R. P.; Ferreira, Paula M. T.; Silva, Luís A. Vale; Pinto, Eugénia

A potential antitumoral fluorescent indole derivative, methyl 6-methoxy-3-(4-methoxyphenyl)-1H-indole-2-carboxylate, was evaluated for the in vitro cell growth inhibition on three human tumor cell lines, MCF-7 (breast adenocarcinoma), A375-C5 (melanoma), and NCI-H460 (non-small cell lung cancer), after a continuous exposure of 48 h, exhibiting very low GI50 values for all the cell lines tested (0.25 to 0.33 µM)...


Synthesis and evaluation of tumor cell growth inhibition of Methyl 3-Amino-6-[(...

Queiroz, Maria João R. P.; Calhelha, Ricardo C.; Silva, Luís A. Vale; Pinto, Eugénia; Almeida, Gabriela M.; Vasconcelos, M. Helena

The methyl 3-amino-6-bromothieno[3,2-b]pyridine-2-carboxylate, recently reported by some of us, was reacted in Sonogashira couplings with several (hetero)arylacetylenes. The growth inhibitory activity of the novel methyl 3-amino-6-[(hetero)arylethynyl]thieno[3,2-b]pyridine-2-carboxylates obtained was evaluated on three human tumor cell lines (MCF-7, NCI-H460, A375-C5). The para-methoxyphenyl and the ortho and p...


Encapsulation of a new antitumoral fluorescent 6-(benzo[d]thiazo-2-ylamino)thie...

Oliveira, Andreia D. S.; Castanheira, Elisabete M. S.; Calhelha, Ricardo C.; Silva, Luís A. Vale; Pinto, Eugénia; Queiroz, Maria João R. P.

Publicado no suplemento da Revista Portuguesa de Farmácia, Vol. 50, nº 4


Synthesis of fluorescent heteroaromatic compounds using dehydroamino acids as b...

Queiroz, Maria João R. P.; Ferreira, Paula M. T.; Abreu, Ana S.; Carvalho, M. Solange D.; Castanheira, Elisabete M. S.; Silva, Luís A. Vale


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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia