Synthesis and spectroscopic properties of 4-(4-carboxyphenyl)3,3',5'- trimethyl-2,2'-pyrromethen-1,1'-BF2 complex and its methyl ester

Article abstract of DOI:10.1002/jhet.5570350615

A new, strongly absorbing red dipyrrole chromophore 1 suitable for exciton coupling studies has been synthesized and shown to exhibit an intense absorption (ε~ 57,000) at λ (max) ~520 nm and a strong fluorescence at λ (em) ~555 nm.