Treatment of an excess of indole (I) with dichloroacetyl chloride (II) in the presence of AlCl3 under Friedel-Crafts conditions produced the trimer intermediate (III), which was cyclized and acylated to yield the title indolyl quinoline.
Treatment of an excess of indole (I) with chloroacetyl chloride (II) in the presence of AlCl3 under Friedel-Crafts conditions produced the trimer intermediate (III), which was cyclized and acylated to yield the title indolyl quinoline.