SUBSTITUENT EFFECT OF 7-HYDROXY-1-METHYLQUINOLINIUM DERIVATIVES: A PHOTOCHEMICAL APPROACH TO DEVELOPMENT OF NEW FLUORESCENT pH INDICATOR

[摘要]：Substituent effect of N-methyl-7-hydroxyquinolinium derivatives on photochemical properties in aqueous solution has been investigated. The efficiency of fluorescence emission from excited zwitter ion enhanced significantly by introduction of methyl group(s). pH Dependence of photochemical behavior of the quinolinium derivatives is also investigated.

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