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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1473969Generated: October 25, 2026

Hydrochloric Acid → 2-Methyl-5-(thiazol-2-ylamino)phenol

https://huagongshe.com/reaction/1473969

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthanolHCID 702—
Reactant2-BromothiazoleHCID 76430—
Reactant3-Amino-5-methylphenolHCID 3018667—
Product2-Methyl-5-(thiazol-2-ylamino)phenolHCID 8664502974%

Reaction Conditions

Temperature90 °C

Reaction Steps

Following the general procedure for the synthesis of 2-R-5-(thiazol-2-ylamino)phenol, 2-bromothiazole (0.27 mL, 3.05 mmol), 5-amino-3-methylphenol (188 mg, 1.5 mmol) and 37% HCl solution (0.26 mL, 3.05 mmol) in 10% aqueous EtOH solution (5 mL) was stirred at 90° C. for 24 h. The title compound was obtained after purification by flash chromatography on silica gel (hexane:EtOAc 1/1) in 74% yield (233 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09018209B2
Source datasetuspto-grants-2015_04
ORD IDord-349dc3502ff949eb9b00a037f64d2998
Source noteuspto-grants-2015_04