Acetic Acid → HCID 44610986, compound

Participants

Reaction Conditions

Reaction Steps

{(R)-4-[(3-Fluoro-5-trifluoromethyl-benzenesulfonyl)-methyl-amino]-4,5,6,7-tetrahydro-indazol-1-yl}-acetic acid (25 mg, 0.066 mmol) and pyrrolidine (47 mg, 0.66 mmol) were dissolved in dimethyl sulfoxide (1.5 mL). The mixture was heated in a microwave oven at 180° C. for 50 minutes. The resulting mixture was acidified with acetic acid to pH 4, and then filtered and purified by preparative HPLC to afford {(R)-4-[methyl-(3-pyrrolidin-1-yl-5-trifluoromethyl-benzenesulfonyl)-amino]-4,5,6,7-tetrahydro-indazol-1-yl}-acetic acid (15 mg, 48.5%) as a white powder. 1H NMR (400 MHz, CD3OD) δ ppm 7.24 (s, 1 H), 7.14 (s, 1 H), 6.98 (s, 1 H), 6.41 (s, 1 H), 5.05 (t, 1 H), 4.75 (s, 2 H), 3.35 (t, 4 H), 2.61 (s, 3 H), 2.45 (m, 2 H), 2.08-1.61 (m, 8 H). MS calcd. for C21H25F3N4O4S 486, obsd. (ESI+) [(M+H)+] 487.

Provenance & Evidence