90832-95-4Relevant academic research and scientific papers
Synthesis of 3-Ethoxycarbonyl-3-buten-4-olides and 3-Ethoxycarbonyl-4-butanolides
Gaudemar-Bardone, Francoise,Mladenova, Margarita,Couffignal, Rene
, p. 1043 - 1047 (2007/10/02)
This paper describes a synthesis of 3-acyl-2-alkyl-3-ethoxycarbonylpropanoic acids from ethyl 2-oxoalkanoates and 2-bromoalkanoic acids.These acids are cyclised via intramolecular dehydratation to give 2,4-dialkyl-3-ethoxycarbonyl-3-buten-4-olides or are
SYNTHESE DE β-ETHOXYCARBONYL γ-LACTONES
Gaudemar-Bardone, F.,Mladenova, M.,Couffignal, R.
, p. 1047 - 1048 (2007/10/02)
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
