4-Cyanophenylboronic acid → HCID 178418980, compound

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Reaction Steps

This compound was prepared from 41b using 4-cyanophenylboronic acid according to method P. Orange solid; Yield: 56%; mp 248–250° C.; 1H NMR (300 MHz, DMSO-d6) δ 3.89 (s, 3H), 3.94 (s, 3H), 7.28 (t, J=8.8 Hz, 1H), 7.36 (s, 1H), 7.44 (d, J=2.9 Hz, 1H), 7.53 (d, J=2.9 Hz, 1H), 7.75–7.79 (m, 2H), 7.97 (br s, 4H), 11.50 (s, 1H); MS (ESI) m/z 401 ([M+H]+). Anal. Calcd for C24H17FN2O3: C: 71.99, H: 4.28, N: 7.00. Found: C: 71.55, H: 4.47, N: 6.60.

Provenance & Evidence