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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1600320Generated: October 31, 2026

Hydrochloric Acid → 3-(3-Hexylthio-1,2,5-thiadiazol-4-yl)-6-methylpyridine

https://huagongshe.com/reaction/1600320

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1-BromohexaneHCID 8101—
ReactantPotassium CarbonateHCID 11430—
ReactantSodium HydroxideHCID 14798—
Reactant3-(3-Chloro-1,2,5-thiadiazol-4-yl)-6-methylpyridineHCID 19075268—
ReactantSodium hydrogen sulfide hydrateHCID 53442613—
SolventDiethyl EtherHCID 3283—
SolventDimethylformamideHCID 6228—
Product3-(3-Hexylthio-1,2,5-thiadiazol-4-yl)-6-methylpyridineHCID 19075369—

Reaction Steps

Sodium hydrogen sulfide monohydrate (0.33 g, 4.4 mmol) was added to a solution of 3-(3-chloro-1,2,5-thiadiazol-4-yl)-6-methylpyridine (0.85 g, 4mmol) in DMF (20 ml) at room temperature and the reaction mixture was stirred for 1 h. Potassium carbonate (1.65 g, 12 mmol) and 1-hexylbromide (0.99 g, 6 mmol) were added and the reaction mixture was stirred for additionally 24 h. 1N HCl was added and the reaction mixture was extractedonce with ether. The aqueous phase was basified with 50% NaOH and extractedwith ether. The ether phases were dried and evaporated to give crude title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05744489
Source datasetuspto-grants-1998_04
ORD IDord-f91d45befd534952afd9cdcebe73ca03
Source noteuspto-grants-1998_04