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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 275797Generated: October 26, 2026

Water → 2-Ethylbenzo[d]oxazol-4-ol

https://huagongshe.com/reaction/275797

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantEthyl orthopropionateHCID 66995—
Reactant1,3-Benzenediol, 2-amino-, hydrochloride (1:1)HCID 459247—
SolventEthanolHCID 702—
Product2-Ethylbenzo[d]oxazol-4-olHCID 15665680—

Reaction Conditions

Temperature150 °C

Reaction Steps

A mixture of 2-aminoresorcinol hydrochloride (5.0 g) and triethylorthopropionate (13.7 ml) was heated to 150° C. for 2 h before being poured into a mixture of water (140 ml) and ethanol (35 ml). The mixture was stirred vigorously for 30 minutes at room temperature. The resulting precipitate was removed by filtration and dried to give the title compound as a beige solid (4.11 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06353010B1
Source datasetuspto-grants-2002_03
ORD IDord-431cdd863f2841b39b43c21f7b1cdf97
Source noteuspto-grants-2002_03