Chemistry of Natural Compounds p. 145 - 149 (1980)
Update date:2022-08-24
Topics:
Denisova, O. A.
Glyzin, V. I.
Patudin, A. V.
Fesenko, D. A.
From the roots of Swertia iberica, together with the previously known swertiaperenin decussatin, gentiakochianin, and norswertianin, we have isolated two new xanthones - isogentiakochianin and swertiaiberin.On the basis of UV, IR, PMR, and mass spectroscopy, the structure of 1,3,8-trihydroxy-7-methoxyxanthone is proposed for isogentiakochianin, and that of 1,2,3-trihydroxy-7,8-dimethoxyxanthone for swertiaiberin.
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