Effects of 4,4-dimethyl-5,8-dihydroxynaphtalene-1-one and 4,4-dimethyl-5,8-dihydroxytetralone derivatives on tumor cell respiration |
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Authors: | Araya-Maturana Ramiro Delgado-Castro Tomás Gárate Mario Ferreira Jorge Pavani Mario Pessoa-Mahana Hernán Cassels Bruce K |
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Institution: | Department of Organic and Physical Chemistry, Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Casilla 233, Santiago 1, Chile. raraya@ciq.uchile.cl |
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Abstract: | A set of structurally related compounds incorporating a carbonyl group in the ortho position with regard to a phenol function were tested against the TA3 mouse carcinoma cell line and its multidrug-resistant variant TA3-MTX-R. The series consists of 2'-hydroxyacetophenone, 4'-hydroxyacetophenone 2',5'-dihydroxyacetophenone, 4-acetyl-3,3-dimethyl-5-hydroxy-2-morpholino-2,3-dihydrobenzobfuran, five 4,4-dimethyl-5,8-dioxygenated naphtalene-1-ones and three 4,4-dimethyl-5,8-dioxygenated tetralones. A tentative structure-activity relationship was found for this family of substances, suggesting that a coplanar ortho-carbonyl-1,4-hydroquinone motif is able to cause inhibition of cellular respiration. |
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