Daten werden ergänzt – lade die Seite später neu, um den aktuellen Stand zu sehen
16475-85-7CC(=O)c1cc(C(C)=O)c(O)cc1CJVADGSKLONUYIX-UHFFFAOYSA-N16475-85-7DTXSID50431542synthetischePreparation by cyclization of 1,1,3,3-tetraacetylpropene (formerly so called methenylbisacetylacetone) (SM) (m.p. 117–118°) , by adding a solution of SM (1 mol) in benzene to a sodium methoxide (4 mol) or magnesium methoxide (4 mol) solution in methanol and set aside for 24 h (quantitative yields) ; on heating of its potassium salt in alcoholic solution for 6–8 h at reflux. SM was prepared by treatment of ethoxymethyleneacetylacetone (m.p. 140–142°) with the potassium salt of acetylacetone in ethanol.
Keine Reaktionsaufzeichnungen unter den aktuellen Filterkriterien.
Wird geladen…