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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 78348Generated: October 26, 2026

4-Aminophenol → 4-(2-(N-ethylcarbamoyl)-4-pyridyloxy)aniline

https://huagongshe.com/reaction/78348

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-AminophenolHCID 403—
ReactantEthylamineHCID 6341—
Reactant4-chloropyridine-2-carbonyl ChlorideHCID 11095146—
Reactant4-chloro-N-ethylpyridine-2-carboxamideHCID 22832131—
Product4-(2-(N-ethylcarbamoyl)-4-pyridyloxy)anilineHCID 23614559—

Reaction Steps

Entry 19: 4-Chloropyridine-2-carbonyl chloride was reacted with ethylamine according to Method A2, Step 3b. The resulting 4-chloro-N-ethyl-2-pyridinecarboxamide was reacted with 4-aminophenol according to Method A2, Step 4 to give 4-(2-(N-ethylcarbamoyl)-4-pyridyloxy)aniline. 5-(Trifluoromethyl)-2-methoxyaniline was converted into 5-(trifluoromethyl)-2-methoxyphenyl isocyanate according to Method B1. 5-(Trifluoromethyl)-2-methoxyphenyl isocyanate was reacted with 4-(2-(N-ethylcarbamoyl)-4-pyridyloxy)aniline according to Method C1a to afford the urea.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841330B2
Source datasetuspto-grants-2014_09
ORD IDord-8ddab0d1f73c4c06aa63026eb3d9f64d
Source noteuspto-grants-2014_09