A greener, facile and scalable synthesis of indole derivatives in water: reactions of indole-2,3-diones with 1,2-difunctionalized benzene
作者:Renuka Jain、Kanti Sharma、Deepak Kumar
DOI:10.1016/j.tetlet.2012.09.013
日期:2012.11
An efficient, facile and greener protocol for the synthesis of indole derivatives viz., 3′H-spiro[indole-3,2′-[1,3]benzothiazole]-2(1H)-ones, 6H-indolo[2,3-b]quinoxalines and 3-(2-hydroxy-phenylimino)-1,3-dihydro-indol-2-ones, by the reactions of indole-2,3-diones with 1,2-difunctionalized benzene using tetrabutylammonium bromide (TBAB), as a surfactant under aqueous micellar media is described. This