Benzofuran-2-carboxylic acid → HCID 67515181, compound

Participants

Reaction Steps

The title compound was prepared by following a procedure similar to that described in method B of Examples 97 to 118 by using Intermediate 1b and benzofuran-2-carboxylic acid. 1HNMR (400 MHz, CDCl3) δ 9.79 (s, 1H), 9.04 (s, 1H, D2O exchangeable), 8.50 (s, 1H), 8.21 (d, J=2.0 Hz, 1H), 8.09 (dd, J=8.0, 2.0 Hz, 1H), 7.74 (d, J=7.5 Hz, 1H), 7.70 (s, 1H), 7.59 (dd, J=8.5, 1.0 Hz, 1H), 7.51 (dt, J=7.5, 1.0 Hz, 1H), 7.43 (d, J=8.0 Hz, 1H), 7.36 (dt, J=8.0, 1.0 Hz, 1H), 2.48 (s, 3H), 1.47 (s, 6H); ESI-MS (m/z) 441 (MH)+.

Provenance & Evidence