3-[2-Chloro-4-(2,4-difluorophenylamino)benzoyl]-4-methylbenzoic acid → HCID 58677591, compound

Participants

Reaction Steps

Compound 424 (202 mg, 0.50 mmol) and O-[(dimethyl-t-butyl)silyl]-hydroxylamine (148 mg, 1.01 mmol) were treated as described for compound 337. Flash chromatography (ethyl acetate/petroleum ether: graduated from 67/33 to 100/0) provided the title compound. 13C NMR (DMSO-d6) δ 194.6, 162.9, 158.8 (dd), 155.8 (dd), 149.4, 139.5, 139.1, 133.6, 131.1, 130.3, 128.7, 127.0, 126.5 (m), 126.4, 124.1 (dd), 114.8, 111.9 (dd), 111.8, 105.0 (dd), 19.6

Provenance & Evidence