4-Formylphenylboronic Acid → HCID 23160964, compound

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Reaction Steps

The same procedure described for 12 was used by employing compound 41 (1 equiv.) and 4-formylphenyl boronic acid (1 equiv.). Yield 91%, mp 217-219° C. 1H NMR (DMSO-d6); δ 7.46 (d, J=3.6 Hz, 1H), 7.71 (d, J=3.6 Hz, 1H), 8.03-8.05 (m, 5H), 8.37 (dd, J=1.8, 8.4 Hz, 1H), 9.11 (d, J=1.8 Hz, 1H), 9.69 (s, 1H), 10.07 (s, 1H). Anal. Calc. for C17H11NO3: C %, 73.63; H %, 3.99. Found C %, 73.51; H %, 4.23.

Provenance & Evidence