Mimosine (leucaenine) 5th communication )

Abstract
The identity of mimosine from Mimosa pudica and of l‐leucaenine from Leucaena glauca Bentham is proved by means of a mixed melting point and Debije‐Scherrer diagram.The action of diazomethane on the dihydrochloride of mimosine methyl ester leads to a total degradation of the molecule, by which the pyridine ring is broken. Amongst other things there is produced a compound C4H8O3N2 and 3: 4‐dimethoxy‐pyridine. The same compounds are produced by the action of diazomethane on 3‐methoxy‐4‐pyridone.Some of the properties of mimosine are in agreement with the assumption of a polar structure, which is comparable with a β‐betaine.

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