Thiophene-3-boronic acid → HCID 59752631, compound

Participants

Reaction Steps

The title compound (69 mg) was prepared according to Example 287 using 300 mg of trifluoro-methanesulfonic acid 6-benzyl-2-isopropyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridin-3-yl ester and 133 mg of 3-thiopheneboronic acid. MS (ESI): exact mass calculated for C20H23N3S, 337.16. found, m/z 338.5 [M+H]+. 1H NMR (500 MHz, CD3OD): 7.66-7.65 (m, 1H), 7.60-7.57 (m, 3H), 7.55-7.53 (m, 3H), 7.21-7.20 (m, 1H), 4.65-4.52 (m, 3H), 4.42-4.33 (m, 2H), 3.82-3.79 (m, 1H), 3.44-3.40 (m, 1H), 2.94-2.91 (m, 2H), 1.46-1.35 (m, 6H).

Provenance & Evidence