An efficient synthesis of hydropyrido[1,2-a]indole-6(7H)-ones via an In(III)-catalyzed tandem cyclopropane ring-opening/Friedel-Crafts alkylation sequence.

An efficient synthesis of hydropyrido[1,2-a]indole-6(7H)-ones via an In(III)-catalyzed tandem cyclopropane ring-opening/Friedel-Crafts alkylation sequence.