Methyl pyruvate → HCID 22052200, compound

Participants

Reaction Steps

4-(2-Chloro-4-difluoromethoxy-phenyl)-N2-(1-methoxymethyl-propyl)-pyridine-2,3-diamine (0.366 g, 0.99 mmol) and methyl pyruvate (178 μL, 1.97 mmol) were treated as in Part F of Example 133 to give 8-(2-chloro-4-difluoromethoxy-phenyl)-4-(1-methoxymethyl-propyl)-2-methyl-4H-pyrido[2,3-b]pyrazin-3-one (Example 122b): 1H NMR (300 MHz, CDCl3) δ 8.56–8.51 (m, 1H), 7.33–7.30 (m, 2H), 7.27–7.23 (m, 2H), 6.82–6.33 (t, 1H, J=72.9 Hz), 6.20–6.18, 5.62–5.57 (2m, 1H), 4.38–4.32 (m,1H), 3.93–3.80 (m, 1H), 3.33 (s, 3H), 2.47 (s, 3H), 2.08–2.00 (m, 2H), 0.90–0.88 (t, 3H, J=6.3 Hz). MS (AP) 424.1 [(M+H)+, 100].

Provenance & Evidence