5-Amino-2-(2-phenylchroman-6-yloxy)pyridine → 6-[2-(2-Aminophenyl)chroman-6-yloxy]-pyridin-3-ylamine

Participants

Reaction Steps

6-[2-(2-Aminophenyl)chroman-6-yloxy]-pyridin-3-ylamine was prepared as described for 5-amino-2-(2-phenylchroman-6-yloxy)pyridine in Example 26 using 100 mg 5-nitro-2-[2-(2-nitrophenyl)chroman-6-yloxy]pyridine (Example 89(d)) and 700 mg of Zn. 1H NMR (300 MHz, d6-DMSO) δ: 7.51 (d, 1H, J 2.9 Hz), 7.15-7.18 (m, 1H), 7.05 (dd, 1H, J 8.6, 2.9 Hz), 6.98-7.00 (m, 1H), 6.77 (d, 1H, J 8.6 Hz), 6.73-6.75 (m, 2H), 6.66-6.71 (m, 2H), 6.56-6.61 (m, 1H), 5.11 (dd, 1H, J 10.4, 2.0 Hz), 5.01 (s, 2H), 4.99 (s, 2H), 2.94-2.99 (m, 1H), 2.66-2.74 (m, 1H), 2.06-2.13 (m, 1H), 1.88-1.95 (m, 1H).

Provenance & Evidence