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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1948352Generated: October 27, 2026

Thionyl Chloride → 3,4-Dichloro-5-methyl-1H-pyrrole-2-carbonyl chloride

https://huagongshe.com/reaction/1948352

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant1,3-Dihydroxy-2-(hydroxymethyl)propan-2-aminium 2-((3S,4R)-4-{[(3,4-dichloro-5-methyl-1H-pyrrol-2-yl)carbonyl]amino}-3-fluoropiperidin-1-yl)-1,3-thiazole-5-carboxylateHCID 68517797—
Product3,4-Dichloro-5-methyl-1H-pyrrole-2-carbonyl chlorideHCID 86038394—

Reaction Steps

A solution of 10.4 g (54 mmol) of 3,4-Dichloro-5-methyl-1H-pyrrole-2-carboxylic acid (Intermediate 1) in 100 ml SOCl2 was heated at reflux for 30 min. Solvent was removed to afford product. NMR (CDCl3): 2.3 (s, 1H), 8.8 (s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08399489B2
Source datasetuspto-grants-2013_03
ORD IDord-aa3355fd84c54e2cbb66491abc09bce1
Source noteuspto-grants-2013_03