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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1153803Generated: October 25, 2026

Chloral Hydrate → N-(2-fluorophenyl)-2-(hydroxyimino)acetamide

https://huagongshe.com/reaction/1153803

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloral HydrateHCID 2707—
Reactant2-FluoroanilineHCID 9584—
ReactantSodium SulfateHCID 24436—
ReactantHydroxyamine hydrochlorideHCID 443297—
SolventHydrochloric AcidHCID 313—
SolventWaterHCID 962—
ProductN-(2-fluorophenyl)-2-(hydroxyimino)acetamideHCID 671088087.9%

Reaction Conditions

Temperature25 °C

Reaction Steps

A solution of 39.4 g of 2-fluoroaniline in 32.4 ml of concentrated hydrochloric acid and 215 ml of water and then a solution of 77.6 g of hydroxylamine hydrochloride in 355 ml of water were added to a mixture of 886 g of sodium sulfate hydrated with 10 moles of water, 64.55 g of chloral hydrate and 850 ml of water and the mixture was heated to reflux with stirring over 45 minutes and reflux was maintained for 5 minutes. The mixture was cooled to 25° C. and held there for 45 minutes. The product was washed with water and dried at room temperature and then at 70° C. under reduced pressure to obtain 56.8 g of N-(2-fluorophenyl)-2-hydroxyimino-acetamide melting at 120° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04486438
Source datasetuspto-grants-1984_12
ORD IDord-d969d0ec4097472bb078cbbb9e50442b
Source noteuspto-grants-1984_12