1: 1H-(1,2,3)-triazole With potassium tert-butylate in tetrahydrofuran T=20°C; 0.5 h; 2: [4-bromo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-2-yl]methyl methanesulfonate in tetrahydrofuran 2 h;

1: 1H-(1,2,3)-triazole With potassium tert-butylate in tetrahydrofuran T=20°C; 0.5 h; Inert atmosphere; 2: [4-bromo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-2-yl]methyl methanesulfonate in tetrahydrofuran T=20°C; 2 h; Inert atmosphere;