Bisquaternary salts of alkaloids of the heliotridane series and some products of their transformation

Summary The reaction of ,-dibromoalkanes with trachelanthimidine and its derivatives and of bis (4-chlorobutyl) ether with the alkaloids lindelofine and viridiflorine have yielded bisquaternary salts of the pyrrolizidine series.Institute of the Chemistry of Plant Substances, Academy of Sciences of the Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 368–371, May–June, 1977.