Cliniatines A-C (1-3), three new Amaryllidaceae alkaloids, consisting of 2,6-dimetylpyridine and lycorine-type and/or galanthamine-type were isolated from Clivia miniata (Lindl.) Bosse. The structures and absolute configurations of 1-3 were elucidated… Click to show full abstract
Cliniatines A-C (1-3), three new Amaryllidaceae alkaloids, consisting of 2,6-dimetylpyridine and lycorine-type and/or galanthamine-type were isolated from Clivia miniata (Lindl.) Bosse. The structures and absolute configurations of 1-3 were elucidated based on spectroscopic data and chemical correlation. Cliniatines A-C showed moderate inhibitory activity against acetylcholinesterase.
               
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