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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 248583Generated: October 26, 2026

Chloroacetic Acid → 2-(2,5-Dichlorophenyl)-2-mercaptoacetic acid

https://huagongshe.com/reaction/248583

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroacetic AcidHCID 300—
Reactant1,4-DichlorobenzeneHCID 4685—
ReactantChlorosulfonic acidHCID 24638—
Reactant2,5-DichlorobenzenethiolHCID 79965—
CatalystZincHCID 23994—
Product2-(2,5-Dichlorophenyl)-2-mercaptoacetic acidHCID 22492329—

Reaction Steps

the method in which 1,4-dichlorobenzene is sulfochlorinated with chlorosulfonic acid and then reduced to 2,5-dichlorothiophenol with zinc powder under acidic conditions, followed by reaction with monochloroacetic acid to yield 2,5-dichlorophenylthioglycolic acid (U.S. Pat. No. 3,440,288),

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05210287
Source datasetuspto-grants-1993_05
ORD IDord-929d79cd629e4e0098ad4a0e47eae538
Source noteuspto-grants-1993_05