How is Deferiprone (CAS: 30652-11-0) typically synthesized?

Deferiprone is typically synthesized through a multi-step process involving condensation reactions, amidation, and ring formation. Common methods include the use of 1,2-diaminopropane and 2,2'-iminodiethanoyl chloride as starting materials. The synthesis involves the formation of key intermediates and final coupling reactions to yield the target compound with good yields and selectivity.