Structure-activity study of furyl aryloxazole fluorescent probes for the detection of singlet oxygen
Fig 1
A. Unsubstituted furyl- and furylvinyl aryloxazoles with different aryl moieties linked to the furan ring. FN-1: 2-(furan-2-yl)benzo[1,2-d]oxazole, FN-2: (E)-2-(2-(furan-2-yl)vinyl)benzo[1,2-d]oxazole, FN-3: 2-(furan-2-yl)naphtho[2,3-d]oxazole, FN-4: (E)-2-(2-(furan-2-yl)vinyl)naphtho[2,3-d]oxazole, FN-5: (E)-2-(2-(furan-2-yl)vinyl)naphtho[1,2-d]oxazole. B. Furyl vinyl naphthoxazoles with different substituents in the furan ring. FN-6: (E)-2-(2-(5-methyl-furan-2-yl)vinyl)naphtho[1,2-d]oxazole, FN-7: (E)-2-(2-(5-methoxy-furan-2-yl)vinyl)naphtho[1,2-d]oxazole, FN-8: (E)-2-(2-(5-bromo-furan-2-yl)vinyl)naphtho[1,2-d]oxazole, FN-9: (E)-2-(2-(5-phenyl-2-furan-2-yl)vinyl)naphtho [1,2-d]oxazole.