Acetic Anhydride → HCID 20402703, compound

Participants

Reaction Conditions

Reaction Steps

The compound obtained in step (d) above was suspended in acetic anhydride (660 ml) and the reaction flask was heated in a water-bath at 55° C. After stirring for 15 minutes the reaction mixture was concentrated to dryness under vacuum, and the obtained residue was taken up with boiling ethanol and treated with charcoal. By concentrating to a volume of 600 ml and cooling, the compound of the title (103 g) crystallized. M.p. 202°-4° C.

Provenance & Evidence