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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1625886Generated: November 3, 2026

Oxalyl chloride → 5-Bromo-2-chlorophenylacetyl chloride

https://huagongshe.com/reaction/1625886

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant2-(5-Bromo-2-chlorophenyl)acetic acidHCID 15512441—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product5-Bromo-2-chlorophenylacetyl chlorideHCID 86187769—

Reaction Steps

5-Bromo-2-chlorophenylacetic acid (2.0 g) obtained in Reference Example 125-(3) was dissolved in dichloromethane (40 ml), and thereto were added oxalyl chloride (0.77 ml) and N,N-dimethylformamide (one drop) at 0° C. The mixture was stirred at room temperature overnight. The solvent was evaporated under reduced pressure to give 5-bromo-2-chlorophenylacetyl chloride, which was used in the subsequent step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08785403B2
Source datasetuspto-grants-2014_07
ORD IDord-755e648f69ea499297f4824e93a3587a
Source noteuspto-grants-2014_07