Synthesis of oxaspirolactones by manganic acetate promoted additions to exocyclic enol lactones
作者:John M. Mellor、Shahid Mohammed
DOI:10.1016/s0040-4020(01)87229-x
日期:1993.8
Oxidation of diverse β-diketones and β-ketoesters with manganic acetate generates intermediates which add to exocyclic enollactones to afford spirocyclic lactone products. In the presence of added copper acetate the reaction pathway can be diverted to give unsaturated ketoesters.