Oxidative coupling of acridinones: Synthesis of new C-2-symmetry atropisomers

摘要

The preparation of symmetric 2,2'-dimethoxy-10,10'-biacridinyl-9,9'-dione atropisomers were obtained by the oxidative coupling of 9(10H)-acridinone with 1,3-dibromo-5,5-dimethyl-imidazolidine-2,4-dione.