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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2220336Generated: November 1, 2026

Pyridinium chloride → Benzo[d]isothiazol-7-ol

https://huagongshe.com/reaction/2220336

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridinium chlorideHCID 10176127—
ReactantHCID 13123247HCID 13123247—
ReactantBenzo[d]isothiazol-4-olHCID 135741992—
ProductBenzo[d]isothiazol-7-olHCID 1938435647.4%

Reaction Steps

A method similar to that used in the preparation of benzo[d]isothiazol-4-ol using 7-methoxy-benzo[d]isothiazole (60 mg, 0.363 mmol) and pyridine hydrochloride (500 mg, 4.33 mmol) gave the title compound (26 mg, 47%); Mass spectrum (ion-spray): m/z=151.9 (m+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07417064B2
Source datasetuspto-grants-2008_08
ORD IDord-a7499d459c784f2397ce67f241b95d97
Source noteuspto-grants-2008_08