Erysodienone is a key precursor in the biosynthesis of many Erythrina-produced alkaloids. Early work was done by Derek Barton and co-workers to illustrate...

putative anxiolytic erythravine (isolated from Mulungu, E. mulungu). Erysodienone is a precursor in the biosynthesis of many of these alkaloids. Root tubers...

They had proposed a key 9-membered ring intermediate. They produce erysodienone as the primary Erythrinan derivative. Using the precursor, other kinds...