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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2190263Generated: October 29, 2026

Hydrochloric Acid → 5-Amino-1,3,4-thiadiazole-2-sulfonamide

https://huagongshe.com/reaction/2190263

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantAcetazolamideHCID 1986—
SolventMethanolHCID 887—
Product5-Amino-1,3,4-thiadiazole-2-sulfonamideHCID 8472498.7%

Reaction Steps

To a solution of N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide (1.0 g, 4.50 mmol) and MeOH (15 mL) was added HCl (2 N, 10 mL). The reaction mixture was heated at reflux for 18 hours and then concentrated under reduced pressure. The residue was purified by column chromatography (silica, 0-10% MeOH in CMA) to afford the sub-title compound (800 mg, 98%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08324264B1
Source datasetuspto-grants-2012_12
ORD IDord-f0cba43ac8aa40e6994b3729b76c688f
Source noteuspto-grants-2012_12