4-Bromo-3-(methoxymethyl)benzoic acid → Methyl 4-{5-[4-bromo-3-(methoxymethyl)phenyl]-1,2,4-oxadiazol-3-yl}-2-fluorobenzoate

Participants

Reaction Steps

The title compound was obtained following procedure described for example 4, step 1, but starting from Intermediate 1 (0.50 g; 2.36 mmol) and Intermediate 37 (0.64 g; 2.59 mmol). Title compound was isolated after trituration with ACN as a white powder. 1H NMR (DMSO-d6, 300 MHz) δ 8.23 (d, J=2 Hz, 1H), 8.14-8.09 (m, 1H), 8.06-8.02 (m, 1H), 8-7.92 (m, 3H), 4.57 (s, 2H), 3.90 (s, 3H), 3.46 (s, 3H). LC/MS (Method B): 423.1 (M+H)+. HPLC (Method A) Rt 5.91 min (purity: 98.5%).

Provenance & Evidence