Orm-10103 → 6-(5-Nitropyridin-2-yloxy)-2-(2-trifluoromethylphenyl)chroman-4-ol

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Reaction Steps

6-(5-Nitropyridin-2-yloxy)-2-(2-trifluoromethylphenyl)chroman-4-ol was prepared as described for 5-nitro-2-(2-phenylchroman-6-yloxy)pyridine in Example 1(b) starting from 350 mg of 2-(2-trifluoromethylphenyl)chroman-4,6-diol. 1H NMR (400 MHz, d6-DMSO) δ: 9.04 (d, 1H, J 2.8 Hz), 8.62 (dd, 1H, J 9.1, 2.8 Hz), 7.89 (m, 1H), 7.82-7.78 (m, 2H), 7.62 (m, 1H), 7.28 (d, 1H, J 2.7 Hz), 7.24 (d, 1H, 9.1 Hz), 7.04 (dd, 1H, J 8.7, 2.7 Hz), 6.90 (d, 1H, J 8.7 Hz), 5.7 (bs, 1H), 5.38 (d, 1H, J 11.6 Hz), 5.01 (m, 1H), 2.29 (m, 1H), 2.05 (m, 1H).

Provenance & Evidence