4-Bromo-1,3,5-trimethylpyrazole → 2-(6-Methyl-2-p-tolyl-imidazo[1,2-a]pyridin-3-yl)-1-(1,3,5-trimethyl-1H-pyrazol-4-yl)-ethanone

Participants

Reaction Steps

Prepared from (6-methyl-2-p-tolyl-imidazo[1,2-a]pyridine-3-yl)-acetaldehyde 6b and 4-bromo-1,3,5-trimethyl-1H-pyrazole using the procedure of Method B described above. 1H NMR (400 MHz, CDCl3) 2.33 (s, 3H), 2.38 (s, 3H), 2.52 (s, 3H), 2.53 (s, 3H), 3.78 (s, 3H), 4.43 (s, 2H), 7.04 (d, J=8.8 Hz, 1H), 7.22 (m, 3H), 7.57 (m, 3H). Mass spectrum (m/e) 373 (M+).

Provenance & Evidence