Synthesis of γ-carboline N-oxide under gold(I)-catalysis and C-1 amino and fluoro γ-carboline

Domino alkyne insertion/aldol reaction/aromatization of 2-alkynyl indole-3-carbaldehyde with 1,3-diketones: entry to 2-indolyl phenols

“…1-Methyl-2-(arylethynyl)-1 H -indole-3-carbaldehyde ( 1 ) were prepared using the reported procedure and spectral data was compared ( 1a , 1b , 1c , 1f , 1l , 1n ), 16 ( 1g ), 17 1o , 18 and 1p 19 Analytical data for 1d , 1e , 1h , 1i , 1j , 1k and 1m provided herewith.…”