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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 428404Generated: October 28, 2026

Sulfuric Acid → HCID 22664966, compound

https://huagongshe.com/reaction/428404

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
ReactantPropanoic acid, 2-bromo-2-methyl-, ethyl esterHCID 11745—
Reactant2-Chlorobenzoyl chlorideHCID 69110—
CatalystZincHCID 23994—
SolventDiethyl EtherHCID 3283—
ProductHCID 22664966HCID 2266496655.1%

Reaction Steps

A mixture of 2-chlorobenzoyl chloride (52.2 g, 0.298 mol), ethyl 2-bromoisobutyrate (58.2 g, 0.298 mol) and ether is added in portions to zinc foil (19.5 g, 0.298 mol) and the resultant mixture stirred at reflux for three hours and overnight at room temperature. The mixture is poured into cold, dilute sulfuric acid and the organic layer is washed with saturated sodium bicarbonate and brine, dried over anhydrous magnesium sulfate and concentrated in vacuo to a yellow oil. The oil is chromatographed on silica gel with hexanes:ethyl acetate to afford the title compound as a colorless oil (41.8 g, 55.1%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06313295B1
Source datasetuspto-grants-2001_11
ORD IDord-047db6c922824a2b9c74dd30db9a127f
Source noteuspto-grants-2001_11