Fluorescence characteristics of phenoxy derivatives of pyridine

2-Chloropyridine was used as the starting material for the preparation of 2-phenoxy pyridine and 2-(4-methyl) phenoxy pyridine. Fluorescence studies were carried out in various solvents, capped and uncapped condition at room temperature. The fluorescence study of the above compounds with respect to time was also carried out. 2-Phenoxy pyridine showed the highest fluorescence peak in methanol. The fluorescence peak was observed at 321 nm, when excited at 290 nm for 2-phenoxy pyridine. 2-(4-methyl) phenoxy pyridine on the other hand showed the highest fluorescence peak in ethyl acetate, whereby fluorescence peak was observed at 613 nm when excited at 310 nm. The fluorescence intensity of 2-Phenoxy pyridine and 2-(4-methyl) phenoxy pyridine decreased with time for capped condition. (author)