Abstract: | The new spirobenzylisoquinoline base lederine with mp 208–209°C (methanol), []D +13° (c 0.84; chloroform) has been isolated fromCorydalis ledebouriana Kar et Kir andDicentra peregrina (Rudolphi) Fedde. Its structure has been established on the basis of spectral characteristics and chemical reactions.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Pyatigorsk Pharmaceutical Institute. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 540–542, July–August, 1980. |