The synthesis and properties of selected derivatives of oligo- and polybetaines
β Scribed by P. Bielowski; M. Sosada
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 384 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0323-7648
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Oligo)phenothiazinyl nitriles were synthesized in good to very good yields from bromo (oligo)phenothiazines via the Beller cyanation protocol either under conductive or under dielectric heating using NMP as a solvent. Their electronic properties were determined by absorption and emission spectroscop
Oligo-6-(2-thienyl)pentafulvenes, synthesized up to a tetramer by application of a new pentafulvene synthesis, show considerably low reduction potentials to suggest ready formation of polyanions or polyanion radicals with oligoacetylene spines.
## Abstract magnified image New multiarm aromatic chalcone derivatives **2a**, **2b**, **2c**, **2d** were prepared through crossβaldol condensation reaction between multiarm aromatic ketones **1a**, **1b**, **1c**, **1d** and 4β(dimethyl amino)benzaldehyde in basic medium. The multiarm aromatic c