1416045-82-3Relevant articles and documents
Symmetric anionic polymethine dyes derived from fluorene and its derivatives with electron-acceptor substituents: Synthesis and spectral properties
Kurdyukova,Derevyanko,Ishchenko,Mysyk
, (2012)
Novel anionic polymethine dyes were synthesized from 2,7- bis(phenoxysulfonyl)-, 2,7-dinitro-, and 2,4,5,7-tetranitrofluorenes. The reasons for the complicated shape of their absorption spectra were analyzed: the formation of contact ion pairs, associates