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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 31339Generated: October 28, 2026

5-Amino-2-(2-phenylchroman-6-yloxy)pyridine → HCID 17978497, compound

https://huagongshe.com/reaction/31339

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Amino-2-(2-phenylchroman-6-yloxy)pyridineHCID 17978478—
Reactant2-[2-(3-Methoxyphenyl)chroman-6-yloxy]-5-nitropyridineHCID 17978624—
CatalystZincHCID 23994—
ProductHCID 17978497HCID 17978497—

Reaction Steps

6-[2-(3-Methoxyphenyl)chroman-6-yloxy]pyridin-3-ylamine was prepared as described for 5-amino-2-(2-phenylchroman-6-yloxy)pyridine in Example 26 using 300 mg 2-[2-(3-methoxyphenyl)chroman-6-yloxy]-5-nitropyridine (Example 99(d)) and 1.0 g of Zn. H NMR (400 MHz, d6-DMSO) δ: 7.51 (d, 1H, J 3.0 Hz), 7.31 (t, 1H, J 15.8, 7.9 Hz), 7.04 (dd, 1H, J 8.7, 3.0 Hz), 6.99-7.02 (m, 1H), 6.99 (d, 1H, J 2.6 Hz), 6.90 (dd, 1H, J 8.9, 2.6 Hz), 6.79-6.81 (m, 1H), 6.72-6.74 (m, 2H), 6.69 (d, 1H, J 8.9 Hz), 5.06 (dd, 1H, J 9.9, 2.2 Hz), 4.50 (s, 2H), 3.77 (s, 3H), 2.88-2.95 (m, 1H), 2.66-2.71 (m, 1H), 2.12-2.17 (m, 1H), 1.94-2.00 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07425568B2
Source datasetuspto-grants-2008_09
ORD IDord-52d44ec6477e4bc58d2fe54c2efa3971
Source noteuspto-grants-2008_09