Selective construction of indeno[1,2-b]phenothiazine and indeno[2,1-c]phenothiazine via tandem annulation reaction
Keywords: اندان-1،3-دیون; Annulation reaction; Benzo[b][1,4]thiazine; Indane-1,3-dione; Indeno[1,2-b]phenothiazine; Indeno[2,1-c]phenothiazine;