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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1049255Generated: October 30, 2026

2-(1-Methyl-1h-imidazol-4-yl)-4-[(6-nitro-3-pyridinyl)oxy]pyridine → 5-((2-(1-methyl-1H-imidazol-4-yl)pyridin-4-yl)oxy)pyridin-2-amine

https://huagongshe.com/reaction/1049255

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-(1-Methyl-1h-imidazol-4-yl)-4-[(6-nitro-3-pyridinyl)oxy]pyridineHCID 90403214—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product5-((2-(1-methyl-1H-imidazol-4-yl)pyridin-4-yl)oxy)pyridin-2-amineHCID 9040329991%

Reaction Steps

A solution of 2-(1-methyl-1H-imidazol-4-yl)-4-((6-nitropyridin-3-yl)oxy)pyridine (1.61 g, 5.42 mmol) in MeOH (30 mL) was treated with 10% Pd/C (50% w/w water, 0.576 g, 0.542 mmol) and hydrogenated (50 psi) overnight. The solids were removed via filtration through diatomaceous earth, washed with warm MeOH and the filtrate was concentrated to dryness to afford 5-((2-(1-methyl-1H-imidazol-4-yl)pyridin-4-yl)oxy)pyridin-2-amine (1.311 g, 91%). 1H NMR (400 MHz, DMSO-d6): δ 8.31 (d, J=5.7 Hz, 1H), 7.81 (d, J=2.9 Hz, 1H), 7.65 (d, J=1.3 Hz, 1H), 7.58 (s, 1H), 7.29 (dd, J=8.9, 3.0 Hz, 1H), 7.19 (d, J=2.6 Hz, 1H), 6.73 (dd, J=5.7, 2.6 Hz, 1H), 6.52 (d, J=8.9 Hz. 1H), 6.03 (s, 2H), 3.67 (s, 3H); MS (ESI) m/z: 268.1 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09382228B2
Source datasetuspto-grants-2016_07
ORD IDord-ff03f591c4584bd09dd8e682b4b6826d
Source noteuspto-grants-2016_07