B-(1E)-1-Hexenylboronic acid → HCID 59519544, compound

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Reaction Steps

Prepared from the product of step A and (E)-1-hexeneboronic acid according to general procedure 2 providing the title compound (75 mg, 50%) as a brown solid; 1H NMR (300 MHz, CD3OD) δ 8.60 (s, 1H), 8.42-8.40 (m, 1H), 7.91 (d, J=7.8 Hz, 1H), 7.57 (d, J=9.7 Hz, 1H), 7.41-7.37 (m, 2H), 6.71-6.47 (m, 3H), 4.60 (s, 2H), 2.24-2.18 (m, 2H), 1.44-1.32 (m, 4H), 0.93 (t, J=7.0 Hz, 3H); 13C NMR (75 MHz, CD3OD) δ 154.8, 149.5, 148.6, 137.9, 137.5, 137.4, 133.2, 129.1, 128.7, 125.9, 125.2, 116.7, 113.2, 43.9, 34.4, 32.8, 23.3, 14.4; HPLC tR=11.4 min (Luna), 96.0%; ES-MS: (M+H)=308 m/z.

Provenance & Evidence