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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1080201Generated: October 26, 2026

Water → 3,4-Dichloro-5-fluoro-2-picoline

https://huagongshe.com/reaction/1080201

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTert-Butyl hypochloriteHCID 521297—
Reactant4-Chloro-5-fluoro-2-methylpyridineHCID 19691410—
SolventChloroformHCID 6212—
Product3,4-Dichloro-5-fluoro-2-picolineHCID 19691245—

Reaction Conditions

Temperature0 °C

Reaction Steps

To 0.87 g (6 mmol) of 4-chloro-5-fluoro-2-picoline, the product of Example 66, in 20 mL of chloroform cooled to -45° C., is added 0.75 mL of t-butylhypochlorite. The reaction mixture is stirred at -45° C. for 2 hours and at 0° C. for 2 hours. The reaction mixture is then poured into water and the resultant aqueous mixture is extracted with methylene chloride. The organic solution is dried over anhydrous magnesium sulfate, filtered, concentrated under reduced pressure and distilled to afford the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05580872
Source datasetuspto-grants-1996_12
ORD IDord-20d8845c065944d7b6c7876a6f4dfe9b
Source noteuspto-grants-1996_12