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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 736446Generated: October 30, 2026

Water → HCID 11976497, compound

https://huagongshe.com/reaction/736446

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant2,3-DichloropyridineHCID 16988—
ReactantHCID 11976439HCID 11976439—
SolventHydrochloric AcidHCID 313—
ProductHCID 11976497HCID 11976497—

Reaction Conditions

Temperature92.5 °C

Reaction Steps

A crude mixture of 2-(3-chloropyridin-2-yl)-2-methylpropionitrile and 2,3-dichloropyridine (0.171 g) was dissolved in concentrated hydrochloric acid (4 mL) and the solution was heated to 90-95° C. for 5.5 hours. Upon cooling, it was diluted with water and extracted twice with dichloromethane. The aqueous phase was basified with sodium hydroxide (with cooling) to pH of 8 and extracted twice with dichloromethane. The organic extracts were washed with water and dried over anhydrous magnesium sulfate. Filtration and evaporation gave 2-(3-chloropyridin-2-yl)isobutyramide (64 mg). 1H-NMR (DMSO-d6): δ 8.48 (dd, 4.6, 1.5 Hz), 7.83 (dd, 7.95, 1.5), 7.325 (dd, 7.95, 4.6), 6.97 and 6.93 (2 s, CONH2), 1.50 (s, 6H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07595338B2
Source datasetuspto-grants-2009_09
ORD IDord-adbfadce431749b9b4af6e93729ee05a
Source noteuspto-grants-2009_09