作者:Kjetil Andreas Netland、Lise-Lotte Gundersen、Frode Rise
DOI:10.1080/00397910008087222
日期:2000.4
Dialkylcyclopropenones are formed in high yields when alkynes are treated with chloroform-butyllithium in THF at - 78 degrees C followed by acidic hydrolysis of the dichlorocyclopropene intermediates at low temperatures.