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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2237657Generated: October 30, 2026

Hydrochloric Acid → HCID 22272570, compound

https://huagongshe.com/reaction/2237657

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium hydrideHCID 24758—
Reactant2,4-DifluoronitrobenzeneHCID 67967—
ReactantMethanesulfonamideHCID 72879—
SolventDimethylformamideHCID 6228—
SolventSodium chloride; waterHCID 57417360—
ProductHCID 22272570HCID 2227257022%

Reaction Steps

Methylsulfonamide (2.421 g, 25.4 mmol) was dissolved in DMF (100 mL) and NaH (60% in oil, 1.00 g, 25 mmol) was added. The reaction stirred for 1 h and added to a stirred solution of 2,4-difluoronitrobenzene (4.372 g, 27.5 mmol) in DMF (20 mL). The reaction mixture was stirred for 2 h, poured into a mixture (1:1) of brine and 1 M HCl, and extracted with toluene. The organic phase was dried (MgSO4), and concentrated to give a solid that was crystallized from toluene/petroleum ether. The flask tipped over and some material was lost, to give 1.32 g, 5.64 mmol in 22% yield. MS (posES-FIA) m/z=found: 234; Calcd: 234.01; Anal (C7H7F N2O4S), C, H, N, S.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718650B2
Source datasetuspto-grants-2010_05
ORD IDord-731cd0cba73146d5b2cedd815777e5a4
Source noteuspto-grants-2010_05