Phenanthrene-Fused Boron−Dipyrromethenes as Bright Long-Wavelength Fluorophores
Organic Letters2008Vol. 10(8), pp. 1581–1584
Citations Over TimeTop 10% of 2008 papers
Ana B. Descalzo, Haijun Xu, Zhaoli Xue, Katrin Hoffmann, Zhen Shen, Michael G. Weller, Xiao‐Zeng You, Knut Rurack
Abstract
A new class of boron-dipyrromethene (BDP or BODIPY) dyes was obtained by phenanthrene fusion to the beta-pyrrole positions, absorbing in the wavelength range of important laser sources. Despite a 'propeller-like' distorted structure in the crystalline state, the chromophore absorbs (log epsilon > or = 5) and fluoresces (Phif > or = 0.8) strongly and can be easily turned into a fluorescence light-up probe. Incorporation into latex beads produces bright and photostable single-dye and Förster Resonance Energy Transfer (FRET) particles for microscopy applications.
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