Abstract: | Analogues of maxima isoflavone A and of xanthocercin containing benzodioxolane, benzodioxane, and benzodioxepane fragments in rings A and B of isoflavone have been synthesized. The structures of the compounds obtained have been confirmed by analytical and spectral characteristics.KIEN, Karakalpak Division, Academy of Sciences of the Republic of Uzbekistan, Nukus. Taras Shevchenko Kiev University. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 337–343, May–June, 1994. |