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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 380056Generated: October 25, 2026

Thionyl Chloride → 6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanoyl chloride

https://huagongshe.com/reaction/380056

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant6-Maleimidohexanoic acidHCID 573683—
Product6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanoyl chlorideHCID 11424716—

Reaction Steps

The 6-maleimidocaproic acid is reacted with excess thionyl chloride at 50° C. for three hours, and then the excess thionyl chloride is distilled off to leave 6-maleimidocaproic chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06300456B1
Source datasetuspto-grants-2001_10
ORD IDord-ef01a791a26a42228eb1b16dad10abed
Source noteuspto-grants-2001_10