1010397-21-3Relevant articles and documents
Carbonyl ylide reactions of α-benzylidene-β-dicarbonyl compounds: competitive formation of dihydrofurans and dihydrobenzoxepines
Ana?, Olcay,Sezer, ?zkan,Candan, ?zlem,Güng?r, Füsun ?eyma,Cansever, M. ?erif
, p. 1062 - 1065 (2008)
α-Benzylidene-β,β′-biscarbonyl compounds were reacted with dimethyl diazomalonate using Cu(II) acetylacetonate as a catalyst. Dihydrofurans or mixtures of dihydrofurans and dihydrobenzoxepines were obtained depending on the nature of the carbonyl group present in the starting material.