Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2261295Generated: November 2, 2026

Thionyl Chloride → 1-tert-butyl-4-(chloromethyl)-1H-pyrazole hydrochloride

https://huagongshe.com/reaction/2261295

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant(1-Tert-butyl-1h-pyrazol-4-yl)methanolHCID 43753535—
SolventDichloromethaneHCID 6344—
Product1-tert-butyl-4-(chloromethyl)-1H-pyrazole hydrochlorideHCID 68777253—

Reaction Steps

0.77 g of (1-t-butyl-1H-pyrazol-4-yl)methanol was dissolved in 25 ml of dichloromethane, and 1.7 ml of thionyl chloride was added. The mixture was stirred at room temperature for 5 hours. Thereafter, the reaction mixture was concentrated under reduced pressure to obtain 1.12 g of 1-t-butyl-4-(chloromethyl)-1H-pyrazole hydrochloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07846956B2
Source datasetuspto-grants-2010_12
ORD IDord-64e7146587fb49138242e87e772b9fa5
Source noteuspto-grants-2010_12