Sodium hydroxide tetrahydrofuran → 2-{3-isopropyloxy-5-[(N-methyl) 4-toluenesulfonylaminomethyl]benzoylamino}-5-pyridine carboxylic acid

関与物質

反応手順

Standard ester hydrolysis (2M NaOH/THF), as described in Example A, of methyl 2-{3-isopropyloxy-5-[(N-methyl) 4-toluenesulfonylaminomethyl]benzoyl}amino-5-pyridine carboxylate gave the title compound as a pale yellow solid, 1H NMR δ (d6-DMSO): 1.23 (d, 6H), 2.40 (s, 3H), 2.58 (s, 3H), 4.13 (s, 2H), 4.62–4.72 (m, 1H), 7.70 (s, 1H), 7.41–7.52 (m, 4H), 7.73 (d, 2H), 8.31 (s, 2H), 8.84 (s, 1H), 11.16 (s, 1H) m/z 498 (MH)+, 496 (M−H)−.

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