Malonic Acid → HCID 54019879, compound

Participants

Reaction Steps

7-Benzyloxy-4-oxo-8-propyl-4H-1-benzopyran-2-carboxaldehyde (3.2 g), from Example 1(c) and malonic acid (1.1 g) were heated in pyridine (15 ml) at 100° C. until gas evolution ceased. The mixture was then evaporated and the residue was extracted with sodium bicarbonate. Acidification gave the title acid. The same acid was also prepared by hydrolysis of the product of Example 1(d).

Provenance & Evidence