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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1666061Generated: October 26, 2026

Acetic Acid → 4,6-Dichloro-2-(methylthio)-5-pyrimidinecarbaldehyde oxime

https://huagongshe.com/reaction/1666061

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantHydroxyamine hydrochlorideHCID 443297—
Reactant4,6-Dichloro-2-(methylsulfanyl)pyrimidine-5-carbaldehydeHCID 4614004—
SolventWaterHCID 962—
Product4,6-Dichloro-2-(methylthio)-5-pyrimidinecarbaldehyde oximeHCID 21822251—

Reaction Conditions

Temperature60 °C

Reaction Steps

4,6-Dichloro-2-methylsulfanyl-pyrimidine-5-carbaldehyde (7.34 g, 33.09 mmol), hydroxylamine hydrochloride (2.31 g, 33.33 mmol), acetic acid (49.6 mL), and water (3.3 mL) were mixed, and heated to 60° C. for 2 hours. The reaction mixture was diluted with water and cooled under ice bath. The precipitate was collected and dried (Yield=6.41 g, 82%). MS (m/z): 238 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044040B2
Source datasetuspto-grants-2011_10
ORD IDord-e5fe192e768e40e2b3a0ba9b960a0a66
Source noteuspto-grants-2011_10