Orm-10103 → HCID 17978468, compound

HRID 31340Notes

Reaction equation

[N+:1]([C:4]1[CH:5]=[CH:6][C:7](OC2C=C3C(=CC=2)OC(C2C=CC=CC=2)CC3)=[N:8][CH:9]=1)([O-:3])=[O:2].[CH3:27][O:28][C:29]1[CH:30]=[C:31]([CH:35]2[CH2:44][CH:43]([OH:45])[C:42]3[C:37](=[CH:38][CH:39]=[C:40]([OH:46])[CH:41]=3)[O:36]2)[CH:32]=[CH:33][CH:34]=1>>[CH3:27][O:28][C:29]1[CH:30]=[C:31]([CH:35]2[CH2:44][CH:43]([OH:45])[C:42]3[C:37](=[CH:38][CH:39]=[C:40]([O:46][C:7]4[CH:6]=[CH:5][C:4]([N+:1]([O-:3])=[O:2])=[CH:9][N:8]=4)[CH:41]=3)[O:36]2)[CH:32]=[CH:33][CH:34]=1

Participants

Reactant 2

HCID 17978512Orm-10103

HCID 179785382-(3-Methoxyphenyl)chroman-4,6-diol

Product 1

HCID 17978468HCID 17978468, compound

Procedure

2-(3-Methoxyphenyl)-6-(5-nitropyridin-2-yloxy)chroman-4-ol was prepared as described for 5-nitro-2-(2-phenylchroman-6-yloxy)pyridine in Example 1(b) starting from 2-(3-methoxyphenyl)chroman-4,6-diol (Example 99(b)). 1H NMR (400 MHz, d6-DMSO) δ: 9.04 (d, 1H, J 2.9 Hz), 8.61 (dd, 1H, 9.1, 2.9 Hz), 7.34 (t, 1H, J 15.7, 7.8 Hz), 7.25 (d, 1H, J 2.4 Hz), 7.22 (d, 1H, 9.1 Hz), 7.00-7.06 (m, 3H), 6.92 (dd, 1H, J 8.8, 2.4 Hz), 6.88 (d, 1H, J 8.8 Hz), 5.64 (d, 1H, J 6.4 Hz), 5.27 (d, 1H, J 10.7 Hz), 4.95-5.00 (m, 1H), 3.79 (s, 3H), 2.30-2.35 (m, 1H), 1.92-2.01 (m, 1H).

Sources & evidence

ORD record: ord-0ea1e5d691fe40b696e24e8eaaf16899
Source dataset: uspto-grants-2008_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07425568B2

Reaction notes

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