31568-62-4Relevant articles and documents
Tautomerism and stereodynamics of indophenols, amidines, their derivatives, and analogs: XIV. New methods of synthesis of spiro-fused quinoxalines
Kurbatov,Vikrishchuk,Simakov,Kuznetsov,Zhdanov,Olekhnovich
, p. 950 - 955 (2007/10/03)
A new procedure was proposed for synthesis of quinoxaline derivatives by N-alkylation of 2,6-ditert-butyl-4-(o-R-sulfonylaminophenylimino)-2,5-cyclohexadienones and subsequent intramolecular spirocyclization. A necessary condition for the reaction to occu