Seon-Yeong Gwon et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 117, 810-813 (2013-10-03)
A new donor-π-acceptor (D-π-A) type dye was synthesized by the condensation reaction between 2-cyanomethylene-3-cyano-4,5,5-trimethyl-2,5-dihydrofuran and 4-imidazolecarboxaldehyde. The chemical structure of the dye was characterized by (1)H NMR, EA and MS. A novel chromogenic dye based on imidazole as donor unit