Reaktion #59531

Reaktionsgleichung

5-nitro-2-(2-phenylchroman-6-yloxy)pyridine

2-(3-hydroxyphenyl)chroman-6-ol

→

3-[6-(5-Nitropyridin-2-yloxy)chroman-2-yl]phenol

Lösungsmittel

Reaktionsbedingungen

Vorschrift

3-[6-(5-Nitropyridin-2-yloxy)chroman-2-yl]phenol was prepared as described for 5-nitro-2-(2-phenylchroman-6-yloxy)pyridine in Example 1 (b) starting from 2-(3-hydroxyphenyl)chroman-6-ol. 1H NMR (400 MHz, d6-DMSO) δ: 9.44 (s, 1H), 9.04 (d, 1H, J 2.8 Hz), 8.60 (dd, 1H, J 2.8, 9.1 Hz), 7.21-7.16 (m, 2H), 7.00-6.94 (m, 2H), 6.91-6.84 (m, 3H), 6.73-6.70 (m, 1H), 5.06 (dd, 1H, J 2.1, 9.9 Hz), 2.99-2.92 (m, 1H), 2.75-2.69 (m, 1H), 2.17-2.01 (m, 1H), 2.00-1.93 (m, 1H).

Quelle