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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 824Generated: October 23, 2026

Trifluoroacetic acid → N2,N2,1-Trimethyl-1H-pyrrole-2,3-disulfonamide

https://huagongshe.com/en/reaction/824

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(1,1-dimethylethyl)N2,N2,1-trimethyl-1H-pyrrole-2,3-disulfonamideHCID 86749133—
SolventDichloromethaneHCID 6344—
ProductN2,N2,1-Trimethyl-1H-pyrrole-2,3-disulfonamideHCID 53663278—

Reaction Steps

To a solution of 6.95 g (21 mmol) of N3 -(1,1-dimethylethyl)-N2,N2,1-trimethyl-1H-pyrrole-2,3-disulfonamide in 75 mL of methylene chloride under a nitrogen atmosphere was added 75 mL of TFA. The reaction mixture was allowed to stir at room temperature overnight ca. 16 hours. The reaction mixture was concentrated in vacuo. Three portions of diethyl ether were added to the solid residue and removed by evaporation to remove residual TFA. The solids were suspended in diethyl ether and filtered to yield 4.52 g of the title compound as a solid, m.p. 146°-148° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05723410
Source datasetuspto-grants-1998_03
ORD IDord-bce13e6e0f2b4556bf712059577ecdcd
Source noteuspto-grants-1998_03