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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 617447Generated: October 29, 2026

Water → 3-(2-Bromoethoxy)-4-(2,6-dichlorophenyl)-1,2,5-thiadiazole

https://huagongshe.com/reaction/617447

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
Reactant1,2-DibromoethaneHCID 7839—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 178519022HCID 178519022—
SolventAcetonitrileHCID 6342—
Product3-(2-Bromoethoxy)-4-(2,6-dichlorophenyl)-1,2,5-thiadiazoleHCID 477324148.1%

Reaction Steps

In acetonitrile, were mixed and stirred 0.49 g of 3-(2,6-dichlorophenyl)-4-hydroxy-1,2,5-thiadiazole, 0.3 g of potassium carbonate, and 1.9 g of 1,2-dibromoethane at 80° C. for one hour. After spontaneous cooling, the reaction mixture was poured into water, and was extracted with diethyl ether. The diethyl ether layer was washed with dilute hydrochloric acid, 10% sodium hydrogencarbonate, and water successively,dried over anhydrous magnesium sulfate, and concentrated. The concentrate was purified by silica gel chromatography to obtain 1.04 g of 3-(2-bromoethoxy)-4-(2,6-dichlorophenyl)-1,2,5-thiadiazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05948916
Source datasetuspto-grants-1999_09
ORD IDord-1c00319ebc1a4492b9b115905287df2d
Source noteuspto-grants-1999_09