Synthesis of α,β-unsaturated butenolides from allenic acids
作者:G.Bryon Gill、Muhammad Sum Hj. Idris
DOI:10.1016/s0040-4039(00)94958-x
日期:1985.1
The electrophile-initiated cyclisation of allenic acids and esters provides a general route for the synthesis of β-substituted α,β-unsaturated butenolides.