First biological evaluation of developed 3-benzyloxyfluorenes as novel class of MDR modulators

European Journal of Medicinal Chemistry
2010.0

Abstract

A series of 3-benzyloxy-1-aza-9-oxafluorenes has been synthesized and biologically evaluated as novel MDR modulators. The concentration dependent inhibition of the efflux pump ABCB1 (P-glycoprotein) has been characterized and is discussed in relation to calculated lipophilicity data. Instead of the molecular lipophilicity the exact positioning of functional groups was found decisive for the biological activities.

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