3-Acetylphenylboronic acid → HCID 24758660, compound

Participants

Reaction Steps

Prepared from 6-amino-4,4-diethyl-1-methyl-1,4-dihydro-2H-3,1-benzoxazin-2-one and 3-acetylphenylboronic acid according to the coupling procedure described in example 1. 1H NMR (DMSO-d6): δ 8.34 (s, 1H), 7.53 (d, J=1.8 Hz, 1H), 7.39 (m, 2H), 7.19 (dt, J=7.4, 1.9 Hz, 1H), 7.12 (dd, J=8.8, 2.5 Hz, 1H), 7.04 (d, J=8.8 Hz, 1H), 6.94 (d, J=2.5 Hz, 1H), 3.27 (s, 3H), 2.52 (s, 3H), 1.99 (m, 4H), 0.83 (t, J=7.4 Hz, 6H); MS (ESI) m/z 353 ([M+H]+); MS (ESI) m/z 351 ([M−H]−); Anal. calcd for C21H24N2O3: C, 71.57; H, 6.86; N, 7.95. Found: C, 69.83; H, 6.78; N, 7.86.

Provenance & Evidence