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    SCOPUS KCI등재 SCIE

    Isolation and Physical Properties of Photochemical 8-Methoxypsoralen-thymidine 4$^\prime,5^\prime-C_4$-Monoadducts

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    The 8-methoxypsoralen$<^{4',5'}_{5',6}>$ thymidine monoadducts are isolated from the irradiation mixture of 8-methoxypsoralen and thymidine in a dry film state by a flash column followed by lobar column chromatography. Some physical properties of the adducts were determined. The fluorescence maximum and quantum yield of the monoadduct are dependent on the solvent polarity and the phosphorescence to fluorescence quantum yield ratio was 2.10 which was significantly increased by external heavy atoms. The phosphorescence lifetime was 1.2s which is relatively large compared to other coumarin derivatives. Accurate spectral data of the monoadducts are presented.
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    The 8-methoxypsoralen$<^{4',5'}_{5',6}>$ thymidine monoadducts are isolated from the irradiation mixture of 8-methoxypsoralen and thymidine in a dry film state by a flash column followed by lobar column chromatography. Some physical properties o...

    The 8-methoxypsoralen$<^{4',5'}_{5',6}>$ thymidine monoadducts are isolated from the irradiation mixture of 8-methoxypsoralen and thymidine in a dry film state by a flash column followed by lobar column chromatography. Some physical properties of the adducts were determined. The fluorescence maximum and quantum yield of the monoadduct are dependent on the solvent polarity and the phosphorescence to fluorescence quantum yield ratio was 2.10 which was significantly increased by external heavy atoms. The phosphorescence lifetime was 1.2s which is relatively large compared to other coumarin derivatives. Accurate spectral data of the monoadducts are presented.

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