Phenylboronic Acid → HCID 71138591, compound

Participants

Reaction Steps

Compound 11 was prepared in a similar manner to compound 5 from phenylboronic acid to afford a solid (30 mg, 8.7%). 1H NMR (500 MHz, CDCl3): δ 8.74 (s, 1H), 8.25 (s, 1H), 7.52 (d, J=8.5 Hz, 1H), 7.49 (br s, 1H), 7.45-7.35 (m, 3H), 7.30-7.29 (m, 1H), 7.28-7.27 (m, 1H), 7.06 (d, J=7.5 Hz, 2H), 6.79-6.74 (m, 1H), 6.72-6.69 (m, 1H), 5.54 (d, J=14.0 Hz, 1H), 5.12 (d, J=14.0 Hz, 1H). MS (ESI): m/z 446.8 [M++1]. HPLC: 99.5%.

Provenance & Evidence