June 2013 Featured Paper

Abstract

Twenty nine novel spiroketal derivatives related to the rubromycins were evaluated for their anti-telomerase activity using the real-time quantitative telomeric repeat amplification protocol assay. The parent compound γ-rubromycin exhibited the highest potency against human telomerase activity within the series. Modification of the spiroketal motif by the introduction of heteroatoms and substituents at different positions produced analogues with varying bioactivity. Variation at the isocoumarin subunit of the title compound resulted in weaker activity, indicative of its importance in telomerase inhibition.

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