3-(4-Methylpiperazin-1-yl)aniline → N-Methyl-N-[2-({2-[3-(4-methyl-piperazin-1-yl)-phenylamino]-[1,2,4]triazolo[1,5-a]pyridin-8-ylamino}-methyl)-phenyl]-methanesulfonamide

Participants

Reaction Steps

N-Methyl-N-[2-({2-[3-(4-methyl-piperazin-1-yl)-phenylamino]-[1,2,4]triazolo[1,5-a]pyridin-8-ylamino}-methyl)-phenyl]-methanesulfonamide was prepared from N-{2-[(2-chloro-[1,2,4]triazolo[1,5-a]pyridin-8-ylamino)-methyl]-phenyl}-N-methyl-methanesulfonamide (75.0 mg, 0.205 mmol) and 3-(4-methylpiperazin-1-yl)aniline (44.0 mg, 0.230 mmol) with 2,2′-bis-dicyclohexylphosphanyl-biphenyl (23.0 mg, 0.0421 mmol) as the ligand in a manner analogous to Example 2d. Product isolated as a tan foam (0.054 g, 50%). 1H NMR (400 MHz, CDCl3, δ, ppm): 7.81 (d, J=6.6 Hz, 1H), 7.55-7.51 (m, 1H), 7.38-7.28 (m, 3H), 7.24-7.18 (m, 2H), 7.04 (d, J=8.1 Hz, 1H), 6.71-6.64 (m, 2H), 6.56 (d, J=8.2 Hz, 1H), 6.37 (d, J=7.7 Hz, 1H), 5.22 (t, J=6.1 Hz, 1H), 4.72 (d, J=6.0 Hz, 2H), 3.31 (s, 3H), 3.28-3.23 (m, 4H), 3.00 (s, 3H), 2.61-2.56 (m, 4H), 2.36 (s, 3H). MS=521 (MH)+.

Provenance & Evidence