Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 989404Generated: October 28, 2026

Phosphorus pentachloride → Pyridine-3-sulfonyl chloride hydrochloride

https://huagongshe.com/reaction/989404

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus pentachlorideHCID 24819—
Reactant3-Pyridinesulfonic acidHCID 69468—
ProductPyridine-3-sulfonyl chloride hydrochlorideHCID 12571517—

Reaction Steps

1 g (6.3 mmol) of pyridine-3-sulphonic acid and 1.4 g (6.7 mmol) of phosphorus pentachloride are stirred for 2 hours at 150° C. After cooling, excess phosphorus pentachloride is eliminated in vacuo. The crude product is further reacted immediately.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06638965B2
Source datasetuspto-grants-2003_10
ORD IDord-2af0c10aaaa54b93988fca8fbe6cf27d
Source noteuspto-grants-2003_10