2-(1H-1,2,4-triazol-1-yl)acetic acid hydrochloride → (2S,4R)-1-(2-(1H-1,2,4-triazol-1-yl)acetyl)-4-(4-fluoro-2-methylbenzyl)-N-(4-(4-fluorophenoxy)phenyl)pyrrolidine-2-carboxamide

Participants

Reaction Steps

Proceeding as in Example 1, but substituting 2-(1H-1,2,4-triazol-1-yl)acetic acid hydrochloride and (2S,4R)-4-(4-fluoro-2-methylbenzyl)-N-(4-(4-fluorophenoxy)phenyl)pyrrolidine-2-carboxamide, gave Compound 8, (2S,4R)-1-(2-(1H-1,2,4-triazol-1-yl)acetyl)-4-(4-fluoro-2-methylbenzyl)-N-(4-(4-fluorophenoxy)phenyl)pyrrolidine-2-carboxamide (127.6 mg, 41%). Major isomer 1H-NMR (400 MHz, CDCl3): δ 9.02 (s, 1H), 8.25 (s, 1H), 7.99 (s, 1H), 7.42-7.37 (m, 2H), 7.31-6.82 (m, 9H), 5.06 (d, 1H), 4.98 (d, 1H), 4.79 (d, 1H), 3.69 (t, 1H), 3.27 (t, 1H), 3.04-2.91 (m, 1H), 2.84 (dd, 1H), 2.70 (dd, 1H), 2.59 (dd, 1H), 2.33 (s, 3H), 1.76-1.67 (m, 1H). MS (EI) for C29H28F2N5O3 found 532 (MH+).

Provenance & Evidence