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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 68024Generated: October 29, 2026

Bromine → HCID 13042092, compound

https://huagongshe.com/reaction/68024

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromineHCID 24408—
ReactantEthyl-2-(2-chloro-4-propionylphenoxy)acetateHCID 11608739—
CatalystHydrochloric AcidHCID 313—
SolventMethanolHCID 887—
ProductHCID 13042092HCID 13042092—

Reaction Steps

Ethyl-2-(2-chloro-4-propionylphenoxy)acetate (4 g) was dissolved in methanol (40-50 ml). HCl (2 drops, conc) was added, followed by the dropwise addition over 5-10 minutes of bromine (2.62 g, 0.016 mole). After the bromine addition was complete the mixture was heated on a steam bath for 15-30 minutes allowing much of the solvent to evaporate. The residue was washed with cold water and the remaining solid recrystallized several times from hexane to give methyl 2-[2-chloro-4-(2-bromopropionyl)phenoxy]acetate (4.6 g, 90%, mp 63°-65° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04347382
Source datasetuspto-grants-1982_08
ORD IDord-ea57ec306a1e4f7a8c9f63586516f70d
Source noteuspto-grants-1982_08