AbstractPschorrreaction of diazonium salt7in aqueous methanolic sulfuric acid afforded, besides lysicamine2, the orange colored sulfate of oxodibenzopyrrocoline (8). The structure is fully supported by an X‐ray analysis of its picrate salt. Selective ether cleavage of lysicamine (2) with 48% HBr afforded a hydrobromide of9, and free betaine9on treatment with pyridine‐water. Both compounds methylated on treatment with etherial diazomethane on nitrogen to give the known 2‐O N‐dimethylliriodendronine (11). Liriodendronine (10) was obtained from lysicamine (2) on heating with pyridine ·HBr at 189°C, and treatment with pyridine‐water, as a dark violet betaine. Betaine12was obtained by heating11·HCl to 200°C. The quaternary salts of lysicamine, lysicamine methiodide (3) and lysicamine methosulfate (4) were comparable in anticandidal activity to liriodenine (1), but were not as active as liriodenine me