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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1712886Generated: November 4, 2026

Water → HCID 178526521, compound

https://huagongshe.com/reaction/1712886

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantBenzenepropanoic acid, 4-nitro-beta-oxo-, ethyl esterHCID 13281—
ReactantSodium HydroxideHCID 14798—
ReactantHydroxyamine hydrochlorideHCID 443297—
SolventMethanolHCID 887—
ProductHCID 178526521HCID 178526521—

Reaction Steps

According to method of U.S. Pat. No. 3,781,438, 2 g of ethyl 3-(4-nitrophenyl)-3-oxopropanoate was dissolved in methanol, slightly excessive hydroxylamine hydrochloride and equivalent amount of sodium hydroxide were added, the mixture was heated to reflux. 3 hr later, the reaction was traced by Thin-Layer Chromatography, water was added to the reaction mixture, extracted with ethyl acetate, dried and concentrated to obtain 3-(4-nitrophenyl)isoxazol-5-ol as solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07795179B2
Source datasetuspto-grants-2010_09
ORD IDord-6acd240b804446e9aad2b60b253295ec
Source noteuspto-grants-2010_09