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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 366445Generated: October 27, 2026

3-(Chloromethyl)pyridine hydrochloride → 2-Pyridin-3-yl-benzoxazol-6-ol

https://huagongshe.com/reaction/366445

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(Chloromethyl)pyridine hydrochlorideHCID 23394—
ReactantBenzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1)HCID 466102—
Reactant4-Aminobenzene-1,3-diol hydrochlorideHCID 13408822—
Reactant2-(Pyridin-2-yl)-1,3-benzoxazol-6-olHCID 135797919—
SolventTriethylamineHCID 8471—
Product2-Pyridin-3-yl-benzoxazol-6-olHCID 23289258—

Reaction Steps

2-Pyridin-3-yl-benzoxazol-6-ol was prepared using 4-aminoresorcinol hydrochloride (1.5 g, 9.3 mM), nicotinyl chloride hydrochloride (1.8 g, 10.2 mM), triethylamine (3.0 g, 30.0 mM) and pyridinium-p-toluenesulfonate (PPTS, 800 mg, 3.2 mM) were refluxed in xylenes (50 mL) for about 24 hours as described for 2-pyridin-2-yl-benzoxazol-6-ol; m.p., 176-178° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06130217
Source datasetuspto-grants-2000_10
ORD IDord-f7233430c2ad45878479bdb4fa6380eb
Source noteuspto-grants-2000_10