2-Amino-5-methylpyridine → HCID 59559959, compound

Participants

Reaction Steps

HATU (431 mg, 1.13 mmol) was added to a mixture of 6-methoxy-2-methyl-1H-benzoimidazole-4-carboxylic acid (350 mg, 1.0 mmol), 2-amino-5-picoline (134 mg, 1.24 mmol), and DIEA (0.359 mL, 2.06 mmol) in DMF (5 mL) while stirring at room temperature. The resulting mixture was stirred at room temperature under N2 atmosphere for 16 hours. The mixture was worked up with water and extracted into chloroform; the organic layer was dried over MgSO4, concentrated. The crude product was purified by flash silicagel chromatography (ISCO) eluting with CHCl3:MeOH (95:5) to gain 85 mg light brown color solid product in 27% yield. 1H NMR (400 MHz, DMSO-d6) δ ppm 12.68 (s, 1 H) 12.41 (s, 1 H) 8.27 (d, J=8.56 Hz, 1 H) 8.23 (s, 1 H) 7.68 (dd, J=8.56, 1.76 Hz, 1 H) 7.51 (d, J=2.27 Hz, 1 H) 7.23 (d, J=2.27 Hz, 1 H) 3.85 (s, 3 H) 2.61 (s, 3 H) 2.29 (s, 3 H). LRMS for C16H16N4O2 m/z 297 (M+H)+.

Provenance & Evidence