Ethyl bromoacetate → [5-Chloro-3-(2-ethoxycarbonylmethyl-1,1-dioxo-2,3-dihydro-1h-1lambda6-benzo[d]isothiazol-3-yl)-2-methyl-indol-1-yl]-acetic acid

Participants

Reaction Steps

The title compound was prepared by the method described for example 14 using the product from example 6, step c) and ethyl bromoacetate. 1H NMR (DMSO-d6) 13.15 (bs, 1H), 8.07-8.03 (m, 1H), 7.70-7.63 (m, 2H), 7.44 (d, J=8.7 Hz, 1H), 7.12 (d, J=8.1 Hz, 1H), 7.02 (dd, J=1.8, 8.7 Hz, 1H), 6.72 (s, 1H), 6.28 (s, 1H), 5.03 (s, 2H), 4.05-3.92 (m, 2H), 3.41 (q, J=6.9 Hz, 2H), 1.05 (t, J=6.9 Hz, 3H); MS: ESI (negative): 475, 477 (M−H).

Provenance & Evidence