39 results about "Coumarin" patented technology

Coumarin (/ˈkuːmərɪn/) or 2H-chromen-2-one is an aromatic organic chemical compound with formula C9H6O2. Its molecule can be described as a benzene molecule, with two adjacent hydrogen atoms replaced by a lactone-like chain –(CH)=(CH)–(C=O)–O–, forming a second six-membered heterocycle that shares two carbons with the benzene ring. It can be placed in the benzopyrone chemical class, and as a lactone.