279673-44-8Relevant academic research and scientific papers
Oxidative heterocyclization of 2-alkynylbenzaldehydes with 1,2- phenylenediamine
Dyker, Gerald,Stirner, Wolfgang,Henkel, Gerald
, p. 1433 - 1441 (2000)
Upon condensation of ortho-phenylenediamine (2) with ortho- alkynylbenzaldehydes in nitrobenzene, oxidative cyclizations are observed, which result in benzimidazo[2,1-a]isoquinolines (8) or isoindolo[2,1- a]quinoxalines (9) depending on the influence of additional substituents at the alkyne.
