A gamma-lactone that is 1,3-dihydro-2-benzofuran in which the hydrogens at position 1 are replaced by an oxo group.
References
PubChem Literature
From Data Sources
• Reaction of phthalide and 3,3-dialkyl derivatives with propargyl Grignards results in [n+2] ring expansion via a ring-opened allene intermediate: Chem. Commun., 19 (1996):
• The lithio-derivative adds to electron-deficient alkenes in a route to 2-substituted-1-naphthols: J. Chem. Soc., Chem. Commun., 162 (1978):