Phenylboronic Acid → 2-Chloro-6-phenylpyrazine

Participants

Reaction Steps

Prepared from 2,6-dichloropyrazine (1.01 g, 6.78 mmol) and phenylboronic acid (946.7 mg, 7.76 mmol) according to Method K, except the product was purified by silica gel chromatography (DCM, Rf=0.37) instead of preparative HPLC: 1H NMR (300 MHz, chloroform-D) δ ppm 7.46-7.53 (m, 3H), 7.94-7.98 (m, 2H), 8.22 (s, 1H), 8.63 (s, 1H). MS (DCI/NH3) m/z=191 (M+H)+.

Provenance & Evidence