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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2206849Generated: October 29, 2026

Thionyl Chloride → HCID 86663089, compound

https://huagongshe.com/reaction/2206849

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant5-Chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acidHCID 19754693—
ProductHCID 86663089HCID 86663089—

Reaction Steps

3.2 g of 5-chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid and 44.3 mL of thionyl chloride were heated under reflux for 5 h. After cooling, the reaction mixture was concentrated under reduced pressure, giving 3.5 g of 5-chloro-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carbonyl chloride as a yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09375004B2
Source datasetuspto-grants-2016_06
ORD IDord-ea2a9f4bd2754645b9b45c236b5fa6d5
Source noteuspto-grants-2016_06