Synthesis and Optical Properties of Novel Coumarin Derivatives

Three novel coumarin derivatives containing anthracene ring(1 ~ 3) with yield of 43% ~77%,were synthesized from 9-anthracenecarboxyli acid by chlorination and substitution. The structures were characterized by 1H NMR,13C NMR and IR. The spectra properties of 1 ~ 3 were investigated by UV-Vis and fluorescence spectroscopies. The results showed that λmax of 1 were 315 nm,347 nm,366 nm,385 nm,λmax of 2 and 3 were 317 nm,347 nm,366 nm,385 nm. The maximum emission peak of 1 ~ 3 were about 485 nm under 366 nm excitation.