506436-23-3Relevant articles and documents
2-Aryl-3-arylaminoisoxazol-5(2H)-ones as sources of indoles and imidazo[1,2-a]pyridines
Jeffery, David,Prager, Rolf H,Turner, David,Dreimanis, Monica
, p. 9965 - 9972 (2007/10/03)
2-Aryl-3-arylaminoisoxazol-5(2H)-ones undergo solvolysis to form 1,3-dipoles that undergo intramolecular cyclisation to form either imidazopyridines or indoles. The mode of cyclisation is controlled by the electronegativity of the aryl substituents.