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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1880045Generated: October 27, 2026

2-Aminophenol → N-(4-(3-methylpyridin-2-yloxy)phenyl)benzo[d]oxazol-2-amine

https://huagongshe.com/reaction/1880045

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminophenolHCID 5801—
ReactantDicyclohexylcarbodiimideHCID 10868—
Reactant2-(4-Isothiocyanatophenoxy)-3-methylpyridineHCID 59326937—
SolventTetrahydrofuranHCID 8028—
ProductN-(4-(3-methylpyridin-2-yloxy)phenyl)benzo[d]oxazol-2-amineHCID 46214543—

Reaction Conditions

Temperature75 °C

Reaction Steps

The mixture of 2-(4-isothiocyanatophenoxy)-3-methylpyridine (136 mg, 0.56 mmol), 2-aminophenol (74 mg, 0.67 mmol), and N,N′-dicyclohexylcarbodiimide (174 mg, 0.84 mmol) in THF (5 mL) was heated at 75° C. for 16 h. The solvent was evaporated and the crude product was chromatographed through a Redi-Sep® pre-packed silica gel column (40 g), eluting with a gradient of 0% to 30% EtOAc in hexane, to provide N-(4-(3-methylpyridin-2-yloxy)phenyl)benzo[d]oxazol-2-amine as white solid. MS (ESI, pos. ion) m/z: 318.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318718B2
Source datasetuspto-grants-2012_11
ORD IDord-6a9e1e3954924bba911674b90824ce83
Source noteuspto-grants-2012_11