50 カルタミンの化学構造について 50 THE STRUCTURE OF CARTHAMIN

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In the previous papers, we have reported that the conventional structures of carthamin, presented by Kuroda and Seshadri, should be reexamined from the comparison of its properties with those of their synthetic analogs. The IR, UV, PMR, and ^<13>C-NMR spectral data and the chemical evidences suggested that carthamin is humulone-like C-glycosyl compound, having two p-hydroxycinnamoyl groups and one unsaturated methine group. On the bases of these results and the comparison of the spectral data with those of some synthetic analogs, we will propose a new structure (11) for carthamin.

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  • 天然有機化合物討論会講演要旨集

    天然有機化合物討論会講演要旨集 19(0), 380-385, 1975

    天然有機化合物討論会実行委員会

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