Pyridine-cored V-shaped π-conjugated oligomers: synthesis and optical properties
2012
Jana, Debabrata | Ghorai, Binay K.
A new series of V-shaped pyridine-cored π-conjugated oligomers are synthesized utilizing two-fold Heck/Suzuki coupling reactions. Optical properties of these compounds (λₘₐₓ=390–449 nm, Φfₗ=79–5%, in solutions) are discussed. They are shown to be thermally stable and soluble in common organic solvents. Stilbenoid oligomers exhibited much higher fluorescence quantum yields than tri- and tetra-phenylethylene substituted oligomers in solutions.
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