3-Nitrophenylboronic Acid → HCID 9906170, compound

Participants

Reaction Steps

Prepared from 1-benzyl-6-bromo-1,3-dihydro-benzoimidazol-2-one and 3-nitro-phenyl boronic acid in the same fashion as that of Example 5. White solid: mp 202-203° C.; 1H-NMR (DMSO-d6) δ 11.2 (s, 1H), 8.38 (t, 1H, J=1.97 Hz), 8.15 (dd, 1H, J=7.83, 1.97 Hz), 8.80 (d, 1H, J=7.83 Hz), 7.72 (t, 1H, J=7.83 Hz), 7.56 (bs, 1H), 7.43-7.22 (r, 6H), 7.13 (d, 1H, J=7.83 Hz), 5.1 (s, 2H); MS (ES) m/z 344([M−H]−, 100%); Anal. Calc. For C20H15N3O3.0.25H2O: C, 68.66, H, 4.46, N, 12.01. Found: C, 68.42, H, 4.44, N, 11.77.

Provenance & Evidence