Ethynyl ortho esters as precursors of propargyl cations
作者:Paul G Gassman、Subhash P Chavan
DOI:10.1016/0040-4039(88)85175-x
日期:1988.1
3,3,3-Triethoxypropyne (triethyl orthopropiolate) was added to a series of 1,3-dienes at low temperature in the presence of trimethylsilyl inflate to yield the 4π + 2π products of the formal addition of ethyl propiolate to the 1,3-dienes.