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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1983000Generated: October 30, 2026

Thionyl Chloride → 1-(chloromethyl)-3-(trifluoromethyl)-1H-pyrazole

https://huagongshe.com/reaction/1983000

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant[3-(trifluoromethyl)-1H-pyrazol-1-yl]methanolHCID 23149202—
SolventDichloromethaneHCID 6344—
Product1-(chloromethyl)-3-(trifluoromethyl)-1H-pyrazoleHCID 19619333—

Reaction Steps

1.33 g of 3-(trifluoromethyl)-1H-pyrazole-1-ylmethanol was dissolved to 40 ml of dichloromethane. 2.7 ml of thionyl chloride was added to the solution, followed by stirring at room temperature for overnight. The reaction mixture was concentrated under reduced pressure to obtain 1.44 g of 1-(chloromethyl)-3-(trifluoromethyl)-1H-pyrazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07541374B2
Source datasetuspto-grants-2009_06
ORD IDord-945e5508e1e64fcd81ee8f6e1d218a32
Source noteuspto-grants-2009_06