1,2,6,7-Tetrahydro-8H-indeno[5,4-b]furan-8-one

It consists of an indan-derived framework fused with a furanone (lactone) ring, partially hydrogenated to give a rigid yet reactive structure. The lactone carbonyl provides an electrophilic center suitable for ring-opening, reduction, or condensation reactions, while the fused bicyclic system offers conformational rigidity valuable in scaffold design. 1,2,6,7-Tetrahydro-8H-indeno[5,4-b]furan-8-one is a fused bicyclic lactone used mainly as a synthetic intermediate in organic and medicinal chemistry.

API Name Ramelteon
CAS No 196597-78-1
Molecular Formula C11H10O2
Molecular Weight 174.20 g/mol
Synonyms 1,2,6,7-tetrahydrocyclopenta[e][1]benzofuran-8-one

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