Tetrahedron Letters p. 1047 - 1048 (1984)
Update date:2022-09-26
Topics:
Gaudemar-Bardone, F.
Mladenova, M.
Couffignal, R.
β-ethoxycarbonyl β, γ-insaturated γ-lactones 2 are easily prepared by dehydration of β-acyl β-ethoxycarbonyl α-alkyl propionic acids.Otherwise the condensation of these acids with allylzinc reagents produces β-ethoxycarbonyl γ-lactones 3 with a β-ethyleni
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