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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1983043Generated: October 25, 2026

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

https://huagongshe.com/reaction/1983043

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant3-(pentafluoroethyl)-1H-pyrazole-1-ylmethanolHCID 23149136—
SolventDichloromethaneHCID 6344—
Product1-(chloromethyl)-3-(pentafluoroethyl)-1H-pyrazoleHCID 23149181—

Reaction Steps

1.98 g of 3-(pentafluoroethyl)-1H-pyrazole-1-ylmethanol was dissolved to 20 ml of dichloromethane. 1.5 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 2.01 g of 1-(chloromethyl)-3-(pentafluoroethyl)-1H-pyrazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07541374B2
Source datasetuspto-grants-2009_06
ORD IDord-99c8ffda75f04edc8a1dbea01c0c1090
Source noteuspto-grants-2009_06