Robinson's Annelation: Synthesis of Sydnone-Containing 3′-Arylcyclohexenone Derivatives Under Solvent Free Conditions
作者:Balakrishna Kalluraya、Ganesha Rai
DOI:10.1081/scc-120024746
日期:2003.10
3-Aryl-4-(6'-carbethoxy-5'-arylcyclohex-2'-enone-3'-yl)sydnones 2a-i were prepared following Robinson's annelation by grinding chalcones 1a-i and ethyl acetoacetate in the presence of potassium carbonate under solvent-free conditions.