Mn(III)-promoted annulation of enol ethers and esters to fused or spiro 2-cyclopentenones
作者:E.J. Corey、Arun K. Ghosh
DOI:10.1016/s0040-4039(00)95679-x
日期:1987.1
Manganese(III)-promoted addition of various 1,3-dicarbonyl compounds to enol ethers or terminal enolesters, followed by hydrolysis of the resulting adducts and base catalyzed aldol cyclization provides an effective process for the synthesis of a wide range of fused and spiro 2-cyclopentenones.