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Aurones, derivatives of 2-benylidenebenzofuran-3(2H)-one, are natural products that serve as plant pigments. There have been reports that some of these substances fluoresce, but little information about their optical properties is in the literature. In this report, series of aurone derivatives were synthesized as possible fluorescent probes that can be excited by visible light. We found that an amine...
The two fluorescently labeled epothilones 14 and 15 have been synthesized using a modification of Nicolaou's macrolactonization and Stille coupling strategy. The cytotoxicities of the compounds were 6.1 and 2.7 μg/mL, respectively, against the A2870 ovarian cancer cell line, and 0.5 and 1.0 μg/mL, respectively, against the PC-3 prostate cancer cell line. The critical concentration of tubulin was 0...
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