An investigation of the alkaloids of thermopsis lanceolata

Summary The plantThermopsis lanceolata is richest in cytisine and pachycarpine at the beginning of the vegetation period, which makes it possible to obtain these substances from a single raw material simultaneously. Thermopsamine has been shown to be the optical antipode of the 13-hydroxysparteine obtained by the reduction of hydroxylupanine.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 463–466, July–August, 1971.