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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1591533Generated: October 31, 2026

Chloroacetone → 2-Thiophenecarboxylic acid, 5-acetyl-4-hydroxy-, methyl ester

https://huagongshe.com/reaction/1591533

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroacetoneHCID 6571—
ReactantDimethyl acetylenedicarboxylateHCID 12980—
ReactantSodium hydrosulfideHCID 28015—
Product2-Thiophenecarboxylic acid, 5-acetyl-4-hydroxy-, methyl esterHCID 10608080—

Reaction Steps

According to the description in Synth. Commun., 1996, 26, 1083, methyl 2-acetyl-3-hydroxythiophene-5-carboxylate was synthesized with chloroacetone, dimethyl acetylene dicarboxylate and sodium hydrosulfide as starting materials (yield: 60%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07291449B2
Source datasetuspto-grants-2007_11
ORD IDord-ecc73145941641afa70ccfc6f141ecaa
Source noteuspto-grants-2007_11