Synthesis and Biological Evaluation As Microtubule-Active Agents of Several Tetrahydrofuran and Spiroacetal Derivatives
Abstract:The stereoselective preparation of several molecules containing structural fragments of the tetrahydrofuran and spiroacetal type is described. Their degree of cytotoxicity and their interactions with tubulin have been investigated. It has been confirmed that the tetrahydrofuran derivatives are cytotoxic but, in contrast to previous reports, it has been found that the cytoxicity is not due to interactions with the microtubule network. Furthermore, and also in contrast to a previous report on closely related compounds, the spiroacetal derivatives do show interactions with tubulin, even though the precise mechanism and the binding site still remain to be established.
Keywords: Tubulin; anticancer therapy; antitumoral drugs; apoptosis; bioactive structural fragments; cytoskeleton; cytotoxicity; microtubule-disrupting compounds; microtubules; spiroacetals; tetrahydrofuran derivatives
Document Type: Research Article
Publication date: March 1, 2013
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