An efficient entry into butenolides: Synthesis of (±) mintlactone
作者:Subhash P. Chavan、P.K. Zubaidha、Nagaraj R. Ayyangar
DOI:10.1016/s0040-4039(00)61325-4
日期:1992.8
Osmylation of beta,gamma-unsaturated esters and acid catalysed cyclisation of the resultant diols generate butenolides in high yields.
Novel oxidative conversion of β,γ-unsaturated acids into butenolides: synthesis of heritonin and heritol
作者:Subhash P. Chavan、P. K. Zubaidha、Chitra A. Govande、Y. Tripura Subba Rao
DOI:10.1039/c39940001101
日期:——
A novel strategy of converting β,γ-unsaturated esters to butenolides involving oxidative cyclisation with ceric ammonium nitrate at room temperature is described.