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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 29432Generated: October 29, 2026

2-Aminophenol → Ethyl 1,3-benzoxazole-2-carboxylate

https://huagongshe.com/reaction/29432

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminophenolHCID 5801—
ReactantEthyl 2,2,2-triethoxyacetateHCID 5090273—
ProductEthyl 1,3-benzoxazole-2-carboxylateHCID 1422091467.5%

Reaction Conditions

Temperature110 °C

Reaction Steps

To 2-aminophenol (437 mg, 4 mmol) was added ethyl triethoxyacetate (3.5 g, 4 eq). The mixture was stirred at 110° C. overnight. The reaction mixture was cooled and triturated with hexane. Filtration gave 516 mg of benzoxazole-2-carboxylic acid ethyl ester as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07420001B2
Source datasetuspto-grants-2008_09
ORD IDord-65ea146735684dce99300d1e899b6c38
Source noteuspto-grants-2008_09