1-(4-Bromophenyl)-4-methylpiperazine → [8-(4-Methanesulfonyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl]-[4-(4-methyl-piperazin-1-yl)-phenyl]-amine

Participants

Reaction Steps

[8-(4-Methanesulfonyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl]-[4-(4-methyl-piperazin-1-yl)-phenyl]-amine was prepared from 8-(4-methanesulfonyl-phenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-ylamine (75.0 mg, 0.260 mmol) and 1-(4-bromo-phenyl)-4-methyl-piperazine (73.0 mg, 0.286 mmol) with 2,2′-bis-dicyclohexylphosphanyl-biphenyl (29.0 mg, 0.0530 mmol) as the ligand in a manner analogous to Step 2d. The reaction product was isolated as pale yellow solid (0.022 g, 18%). MP=242-244° C. 1H NMR (400 MHz, CDCl3, δ, ppm): 8.47 (dd, J=6.7, 1.1 Hz, 1H), 8.25-8.20 (m, 2H), 8.10-8.06 (m, 2H), 7.63 (dd, J=7.4, 1.1 Hz, 1H), 7.51-7.46 (m, 2H), 7.01-6.95 (m, 2H), 6.67 (s, 1H), 3.20-3.15 (m, 4H), 3.10 (s, 3H), 2.62-2.58 (m, 4H), 2.36 (s, 3H). MS=463 (MH)+.

Provenance & Evidence