| abstract |
The present invention provides a fluorescent resveratrone [(E)-4-(6,8-dihydroxynaphthalen-2-yl)but-3-en-2-one] and its derivatives having Formula 1 and a method for preparing the same by a photochemical reaction of resveratrol and its derivatives which are not fluorescent having Formula 7 or Formula 8. The new fluorescent compounds of the present invention has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity according to a cytotoxicity test and can be usefully utilized in the field of organic fluorescent element, display element, spectrometer, two-photon absorptive storing device, laser micro processing apparatus, photo dynamic therapy apparatus and the like. |