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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 568720Generated: October 26, 2026

Pyridinium chloride → 3-(4-Chloro-phenyl)-benzo[D]isoxazol-6-OL

https://huagongshe.com/reaction/568720

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridinium chlorideHCID 10176127—
Reactant3-(4-Chlorophenyl)-6-methoxy-1,2-benzisoxazoleHCID 14012516—
Product3-(4-Chloro-phenyl)-benzo[D]isoxazol-6-OLHCID 135589655—

Reaction Conditions

Temperature210 °C

Reaction Steps

A mixture of 60 g of pyridine hydrochloride and 12.0 g 3-(4-chlorophenyl)-6-methoxy-1,2-benzisoxazole is heated with stirring at 210° C. for 75 min. The hot reaction mixture is poured with vigorous stirring onto ice and the solid is filtered, dried, and recrystallized from toluene to afford 3-(4-chlorophenyl)-6-hydroxy-1,2-benzisoxazole, mp 203° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04728662
Source datasetuspto-grants-1988_03
ORD IDord-3114b57039f7407c8e0d48534ceda64b
Source noteuspto-grants-1988_03