1-Methyl-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperazine → 1-(2,5-Dichlorobenzyl)-4-methyl-7-[6-(4-methylpiperazin-1-yl)pyridin-3-yl]-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine

Participants

Reaction Steps

1-(2,5-Dichlorobenzyl)-7-iodo-4-methyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (83 mg) was coupled to 1-methyl-4-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)pyridin-2-yl]piperazine as in General Procedure 4B to give the title compound as a brown solid (43% yield). LCMS: m/z=483.33 (M+H+), 1H-NMR (CDCl3, 400 MHz) δ 2.33 (3H, s), 2.52 (4H, t, J=5.1 Hz), 3.16 (3H, s), 3.53 (8H, m), 4.45 (2H, s), 6.45 (1H, d, J=1.8 Hz), 6.65 (1H, d, J=8.8 Hz), 7.18 (1H, dd, J=8.5, 4.8 Hz), 7.25 (1H, d, J=2.3 Hz), 7.32 (1H, d, J=8.3 Hz), 7.52 (1H, dd, J=8.6, 2.5 Hz), 7.75 (1H, d, J=1.8 Hz), 8.22 (1H, d, J=2.5 Hz).

Provenance & Evidence