Diketene → HCID 20379294, compound

Participants

Reaction Steps

A solution of 13 g. of diketene in 100 ml. of ethanol was added dropwise to an ice-cold solution of 18 g. of 2-imino-3-methylthiazolidine in 100 ml. of ethanol. The mixture was allowed to warm spontaneously to room temperature and then evaporated to dryness. The residue was triturated with ether, collected on a filter and dried in a dessicator to give 2-acetoacetylimino-3-methylthiazolidine, m.p. 43°-45° C.

Provenance & Evidence