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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2378148Generated: October 31, 2026

Phosphorus pentachloride → 4-Bromo-2-(methoxyimino)-3-oxobutanoyl chloride

https://huagongshe.com/reaction/2378148

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus pentachlorideHCID 24819—
Reactant4-Bromo-2-(methoxyimino)-3-oxobutanoic acidHCID 53651215—
SolventDichloromethaneHCID 6344—
Product4-Bromo-2-(methoxyimino)-3-oxobutanoyl chlorideHCID 53426637—

Reaction Steps

To a solution of 30.20 gm (0.154 moles) of 4-bromo-2-methoxyimino-3-oxo-butyric acid in dichloromethane (230 ml) cooled to −10° C. under an atmosphere of nitrogen was added phosphorous pentachloride (28.10 gm; 0.134 moles) in portions and the solution of 4-bromo-2-methoxyimino-3-oxo butyric acid chloride (IV) in dichloromethane thus obtained is kept cooled to −10° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07470786B2
Source datasetuspto-grants-2008_12
ORD IDord-1bca734cb7d44401a91f34cda1f57d68
Source noteuspto-grants-2008_12