911708-49-1Relevant academic research and scientific papers
Iridium- and rhodium-catalyzed [2+2+2] cycloadditions of diynes with maleimide: A new synthetic route to highly substituted phthalimides
Alvarez, Leonardo X.,Bessières, Bernard,Einhorn, Jacques
experimental part, p. 1376 - 1380 (2009/04/06)
The [2+2+2] cycloaddition of maleimide with α,ω-diynes in the presence of [IrCl(cod)]2 or [RhCl(cod)]2 and DPPE gives cyclohexadiene derivatives which are readily aromatized with DDQ or MnO 2. This two-step procedure gives
