Benzo(B)Thiophene-2-Boronic Acid → HCID 18385746, compound

Participants

Reaction Steps

200 mg of 4-bromo-2,2-dimethyl-5-{4-(methylsulfonyl)phenyl}-3(2H)-furanone was coupled with 125 mg of (2-benzo[b]thienyl)boronic acid according to a procedure similar to the procedure in Example 2 to afford 60 mg of 4-(2-benzo[b]thienyl)-2,2-dimethyl-5-{4-(methylsulfonyl)phenyl}-3(2H)-furanone as a solid. mp: 204-206° C. NMR: δ1.61 (s, 6H), 3.11 (s, 3H), 7.32˜7.43 (m, 4H), 7.51˜7.53 (m, 1H), 7.74˜7.84 (m, 2H), 8.01 (s, 2H). IR (cm−1): 1702, 1620, 1382, 1147, 957, 750.

Provenance & Evidence