what is of Leonurine hydrochloride with CAS 24697-74-3?
An amorphous alkaloid, leonurine has been obtained from the leaves of Leonurus sibiricus L. and is characterized as the crystalline hydrochloride hydra te, m.p. 19l-4°C. Hydrolysis yields syringic acid and Q-hydroxybutylguanidine. The total synthesis of the alkaloid has been achieved, confirming the above structure.