SILA DITHIENO RHODAMINE COMPOUND AND FLUORESCENT DYE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a fluorescent dye which is easy to chemically modify for adding various functions, has a maximum fluorescence wavelength in a near-infrared wavelength region or a region closer thereto (wavelength of 720 nm or more) without expanding a π conjugation system, and is high in a fluorescence quantum yield.SOLUTION: There is provided a sila dithieno rhodamine compound represented by following 1a, or a hydrate or a solvation thereof.SELECTED DRAWING: None