Structure–activity relationships of hypervalent organochalcogenanes as inhibitors of cysteine cathepsins V and S
2011
Piovan, Leandro | Alves, Márcio F.M. | Juliano, Luiz | Brömme, Dieter | Cunha, Rodrigo L.O.R. | Andrade, Leandro H.
A new series of organotelluranes were synthesized and investigated, and the structure–activity relationships in cysteine proteases inhibition were determinated. It was possible to identify the relevance of structural components linked to the reactivity of these compounds as inhibitors. For example, dibromo-organotelluranes showed to be more reactive than dichloro-organotelluranes towards cysteine cathepsins V and S. Besides, no remarkable enantio-selectivity was verified. In general the achiral organotelluranes were more reactive than the chiral congeners against cysteine cathepsins V and S. A reactivity order for organochalcogenanes and cysteine cathepsins was proposed after the comparison of the inhibitory potencies of organotelluranes with the related organoselenanes.
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