Stereoselective synthesis of highly functionalized cyclobutenes. A facile route to electron-deficient 1,3-dienes
作者:Issa Yavari、Sakineh Asghari
DOI:10.1016/s0040-4020(99)00671-7
日期:1999.10
2-methyl-3-(N-phenylcarbonyl)-1,4-dialkoxycarbonylcyclobutenes. These cyclobutene derivatives undergo electrocyclic ring-opening reactions in boiling toluene to produce highly electron-deficient 1,3-dienes.