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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1633264Generated: October 26, 2026

Oxalyl chloride → Methyl 5-chloro-4-methyl-5-oxopentanoate

https://huagongshe.com/reaction/1633264

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant4-Carbomethoxy-2-methylbutanoic acidHCID 13192897—
SolventDichloromethaneHCID 6344—
ProductMethyl 5-chloro-4-methyl-5-oxopentanoateHCID 13192898—

Reaction Steps

9.64 g of oxalyl chloride are added to the solution of 6.1 g of 4-carbomethoxy-2-methylbutanoic acid (US-Patent 4,052,511) in 50 ml of methylene chloride. The mixture is refluxed for two hours and evaporated, to yield the 4-carbomethoxy-2-methylbutanoyl chloride, which is used as such without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04479963
Source datasetuspto-grants-1984_10
ORD IDord-dd6c8f39fd1b4f689c835e597478b7e8
Source noteuspto-grants-1984_10