487047-52-9Relevant academic research and scientific papers
Heterocycle annulation of enolizable vinyl quinone imides. Dihydroquinolines and quinolines from thermal 6π-electrocyclizations and indoles from photochemical cyclizations
Parker, Kathlyn A.,Mindt, Thomas L.
, p. 4265 - 4268 (2007/10/03)
(equation presented) Enolizable vinyl quinone mono-and diimide substrates yield protected 6-hydroxy and 6-amino dihydroquinolines by thermal electrocyclization. Aromatization provides the corresponding quinolines in quantitative yields. The quinone monoimide substrates undergo clean photochemical conversion to 5-hydroxy indoles.
