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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1374821Generated: October 29, 2026

Phosphorus pentachloride → Pyridine-3-sulfonyl chloride hydrochloride

https://huagongshe.com/reaction/1374821

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 numberUS07166615B2
Source datasetuspto-grants-2007_01
ORD IDord-80c17102bece4f91b0912e4d9f42b274
Source noteuspto-grants-2007_01