1: With [14C]-Tetramethylammonium bromide; trifluoromethanesulfonic anhydride in N,N-dimethyl-formamide T=0 - 20°C; 17 h; 2: With sodium hydroxide in water

1: 4-bromo-2-(1-methylethyl)-1H-pyrrolo[2,3-b]pyridine With sodium hydride in tetrahydrofuran T=20°C; 0.833333 h; 2: With n-butyllithium in tetrahydrofuran; hexanes T=-78°C; 0.916667 h; 3: tri-isopropoxy-borane in tetrahydrofuran; hexanes T=20°C; 1.5833 h;