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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 917655Generated: October 31, 2026

Thionyl Chloride → 4-Chloro-5-chloroformyl-6-methoxy-2-methylthiopyrimidine

https://huagongshe.com/reaction/917655

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant4-Chloro-6-methoxy-2-(methylsulfanyl)pyrimidine-5-carboxylic acidHCID 17848363—
Product4-Chloro-5-chloroformyl-6-methoxy-2-methylthiopyrimidineHCID 17848284—

Reaction Conditions

Temperature40 °C

Reaction Steps

A mixture of 4-chloro-5-carboxy-6-methoxy-2-methylthiopyrimidine (prepared in the above (3)) 2.00 g and thionyl chloride 5 ml is stirred at 40° C. for 15 minutes. Thionyl chloride, etc. is distilled off and the solvent is removed with azeotrope with methylene chloride to give 4-chloro-5-chloroformyl-6-methoxy-2-methylthiopyrimidine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07273868B2
Source datasetuspto-grants-2007_09
ORD IDord-6ac2910d973c4c29812e1c5882fb572b
Source noteuspto-grants-2007_09