Abstract
O-(3,5-Diaminophenyl)-substituted ketoximes undergo acid-catalysed cyclization to afford 6-amino-4-hydroxyindoles.
References
1.
Mooradian A.
Tetrahedron Letters,
1967
2.
Mooradian A., Dupont P.E.
Journal of Heterocyclic Chemistry,
1967
3.
Guzzo P.R., Buckle R.N., Chou M., Dinn S.R., Flaugh M.E., Kiefer, A.D., Ryter K.T., Sampognaro A.J., Tregay S.W., Xu Y.
Journal of Organic Chemistry,
2003
4.
Alemagna A., Baldoli C., Del Buttero P., Licandro E., Maiorana S.
Synthesis,
1987
5.
10.1016/j.mencom.2011.07.008_bib0025
Vorob’ev
Izv. Akad. Nauk, Ser. Khim.,
2007