作者:Beata Koszarna、Rafał Matczak、Maciej Krzeszewski、Olena Vakuliuk、Jan Klajn、Mariusz Tasior、Jan T. Nowicki、Daniel T. Gryko
DOI:10.1016/j.tet.2013.11.088
日期:2014.1
Derivatized indolizines efficiently prepared via direct arylation, exhibit violet, blue or green fluorescence depending on the nature of substituents. By attaching two electron-withdrawing groups to five-membered ring it is possible to access a range of multi-substituted stable indolizine-based fluorophores. Compounds featuring this scaffold display advantageous combination of optical properties including