Chemistry Letters, Vol.30, No.12, 1286-1287, 2001
Regioselective photohydroxylation of quinolinium ions in smectite clay interlayers
Quinolinium and N-methylquinolinium intercalated in smectite clays were irradiated with ultraviolet light longer than 300 nm under air atmosphere. 5-Hydroxyquinolinium was primarily obtained in both systems.