3-Cyclopentyl-2-(4-methanesulfonyl-phenyl)propionic acid → HCID 11504211, compound

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{2-[3-Cyclopentyl-2-(4-methanesulfonyl-phenyl)-propionylamino]-thiazol-5-ylsulfanyl}-acetic acid ethyl ester was prepared from 3-cyclopentyl-2-(4-methanesulfonylphenyl)propionic acid and (2-aminothiazol-5-ylsulfanyl)-acetic acid ethyl ester as described in Example 1. 1H-NMR (CDCl3): δ 11.78 (broad s, 1H), 7.88 (d, 2H), 7.57 (d, 2H), 7.54 (s, 1H), 4.18 (q, 2H), 3.80 (t, 1H), 3.46 (s, 2H), 3.05 (s, 3H), 2.31-2.23 (m, 1H), 1.92-1.85 (m, 1H), 1.80-1.40 (m, 7H), 1.26 (t, 3H), 1.12 (m, 2H); HPLC-MS: m/z=497 (M+1).

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