Highly Diastereo- and Enantioselective Synthesis of Tetrahydro-5H-Indolo[2,3-b]quinolines through Copper-Catalyzed Propargylic Dearomatization of Indoles.

Highly Diastereo- and Enantioselective Synthesis of Tetrahydro-5H-Indolo[2,3-b]quinolines through Copper-Catalyzed Propargylic Dearomatization of Indoles.