Synthesis of analogues of γ-aminobutyric acid. XI: Unsaturated and saturated tetronic acid [furan-2,4(3H,5H)-dione]

Synthese des acides amino-2' ethyl- et -ethylidene-5 tetroniques a partir d'alcoxy-4 dihydro-2,5 ethylidene-5 furannones-2