Scent-gland Constituent of Canadian Beaver

5-(3-Furyl)-8-methyloctahydroindolizine (12) has been isolated from the scent-gland of the Canadian beaver Castor fiber L.), together with (-)-castoramine and a series of related quinolizidines and other alkaloids. The alkaloid (12) is only a minor 

Once again the azaphenalene, Nuphar, and Lythraceae alkaloids are included in this Chapter. Perhaps the most notable achievement of the year is the synthesis of azaphenalenes of ladybird beetles by Ayer and co-workers.Amongst the new alkaloids, the novel pyridone quinoiizidine, mamanine (3) and its tetrahydro-derivative, pohakuline (5) are of special interest.  

1 The Lupinine-Lupanine-Sparteine-Matrme Group and the Ormosia Alkaloids 

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