4-Acetylphenylboronic acid → 7-(4-Acetylphenyl)-1-benzyl-3,4-dihydro-1H-pyrido[2,3-b]pyrazin-2-one

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Reaction Steps

1-Benzyl-7-iodo-3,4-dihydro-1H-pyrido[2,3-b]pyrazin-2-one (35 mg)was reacted with 4-acetylphenyl boronic acid as in General Procedure 4B to give the title compound as a yellow solid (20% yield). M.p.=200° C., LCMS: m/z=358.24 (M+H+), 1H-NMR (CDCl3, 400 MHz) δ 2.61 (3H, s), 4.36 (2H, s), 5.22 (2H, s), 7.21 (1H, d, J=2.0 Hz), 7.28 (4H, m), 7.37 (4H, m), 7.96 (2H, d, J=8.3 Hz), 8.01 (1H, d, J=1.8 Hz).

Provenance & Evidence