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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1982997Generated: October 26, 2026

Thionyl Chloride → 3-t-butyl-1-(chloromethyl)-1H-pyrazole hydrochloride

https://huagongshe.com/reaction/1982997

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant3-t-butyl-1H-pyrazole-1-ylmethanolHCID 23149208—
SolventDichloromethaneHCID 6344—
Product3-t-butyl-1-(chloromethyl)-1H-pyrazole hydrochlorideHCID 23149152—

Reaction Steps

1.07 g of 3-t-butyl-1H-pyrazole-1-ylmethanol was dissolved to 140 ml of dichloromethane. 2 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 1.66 g of 3-t-butyl-1-(chloromethyl)-1H-pyrazole hydrochloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07541374B2
Source datasetuspto-grants-2009_06
ORD IDord-71f639c4cb5c455398ba3d9b56928875
Source noteuspto-grants-2009_06