SEARCH Articles Figures Tables Enantioselective Friedel-Crafts reactions indoles Friedel Crafts indole Friedel Crafts indole Friedel-Crafts alkylation indoles Friedel-Crafts alkylation of indoles with nitroalkenes Friedel-Crafts reactions indoles Indole, 3-acetyl-l-benzenesulfonylsynthesis Friedel-Crafts reaction Indoles Friedel-Crafts acylation Indoles Friedel-Crafts addition Indoles Friedel-Crafts alkylations