A new pyridine alkaloid 1, together with three known alkaloids N-methylanabasine (2), anabasamine (3), and isonicoteine (4), was isolated from the aerial part of Anabasis aphylla L. Their structures were elucidated by spectroscopic analysis.
A summary of studies on the biosynthesis of the basic alkaloids of Anabasis aphylla is given. The role of lysine, aspartic acid, methionine, acetate, and cadaverine in the formation of anabasine, lupinine, aphylline, and anabasamine was indicated. The pathways of biosynthesis of the piperidine