4-Formylphenylboronic Acid → HCID 70683111, compound

Participants

Reaction Steps

Synthesized using 4-formylphenylboronic acid (252 mg, 1.68 mmol) and 1a (200 mg, 0.84 mmol) according to Method C. Brown solid. Yield: 150 mg, 0.57 mmol, 68%. 1H NMR (CDCl3, 500 MHz): δH (ppm): 5.21 (s, 2H), 6.94 (t, J=1.3 Hz, 1H), 7.14 (t, J=0.9 Hz, 1H), 7.53 (dd, J=8.2, 2.0 Hz, 1H), 7.60 (brs, 1H), 7.79 (dd, J=8.2, 0.6 Hz, 1H), 7.98 (d, J=8.4 Hz, 2H), 8.16 (d, J=8.4 Hz, 2H), 8.63 (d, J=2.0 Hz, 1H), 10.08 (s, 1H); 13C NMR (CDCl3, 125 MHz): δC (ppm)=48.0, 119.0, 121.2, 127.5, 130.2, 130.5, 131.3, 135.9, 136.7, 137.3, 144.0, 148.8, 156.1, 191.8; MS (ESI): m/z=264.16 [M+H]+.

Provenance & Evidence