Piperazine → 6-(5-cyclopropylpyridin-3-yl)-1-(6-(piperazin-1-yl)pyridin-2-yl)-1H-pyrazolo[4,3-c]pyridine

Participants

Reaction Steps

Following the procedures as described in EXAMPLE 8 and starting with 6-(5-cyclopropylpyridin-3-yl)-1-(6-fluoropyridin-2-yl)-1H-pyrazolo[4,3-c]pyridine and piperazine, 111 was obtained as an off-white solid (41.7 mg, 31%). 1H NMR (400 MHz, DMSO) δ 9.33-9.28 (s, 1H), 9.06-8.99 (d, J=2.5 Hz, 2H), 8.66-8.61 (s, 1H), 8.50-8.45 (d, J=2.1 Hz, 1H), 8.09-8.03 (t, J=2.0 Hz, 1H), 7.81-7.73 (t, J=8.1 Hz, 1H), 7.29-7.20 (d, J=7.7 Hz, 1H), 6.85-6.76 (d, J=8.5 Hz, 1H), 3.65-3.56 (m, 4H), 2.94-2.84 (m, 4H), 2.13-2.04 (m, 1H), 1.12-1.04 (m, 2H), 0.88-0.81 (m, 2H); MS (ESI) m/z: 398.2 [M+H]+

Provenance & Evidence