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  • Title: Fluorescent and biotinylated analogues of docetaxel: synthesis and biological evaluation.
    Author: Dubois J, Le Goff MT, Guéritte-Voegelein F, Guénard D, Tollon Y, Wright M.
    Journal: Bioorg Med Chem; 1995 Oct; 3(10):1357-68. PubMed ID: 8564402.
    Abstract:
    Six novel docetaxel analogues that possess a N-(7-nitrobenz-2-oxa-1,3-diazo-4-yl)amido-6-caproyl chain in position 7 or 3' (11 and 16a), a N-(7-nitrobenz-2-oxa-1,3-diazo-4-yl)amido-3-propanoyl group at 3' (16b) and a 5'-biotinyl amido-6-caproyl chain in position 7, 10 or 3', respectively, have been synthesized. These compounds exhibit activity against microtubule disassembly similar to that of docetaxel but show discrepant activities on living cells. Although addition of microtubules to 11, 16a and b enhance their fluorescence, no shift of the emission maxima was observed. The fluorescent docetaxel derivatives show a specific labeling of microtubules in living cells, demonstrating that the microtubule cytoskeleton constitutes their main subcellular localization.
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