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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 898857Generated: October 31, 2026

5-[5-(Trifluoromethyl)-1,2-oxazol-3-yl]thiophene-2-sulfonyl chloride → HCID 67524799, compound

https://huagongshe.com/reaction/898857

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-[5-(Trifluoromethyl)-1,2-oxazol-3-yl]thiophene-2-sulfonyl chlorideHCID 2777526—
ReactantHCID 67524225HCID 67524225—
SolventPyridineHCID 1049—
ProductHCID 67524799HCID 6752479975%

Reaction Conditions

Temperature0 °C

Reaction Steps

(1R*,5R*,6R*)-1-amino-6-phenyl-3-oxa-bicyclo[3.1.0]hexan-2-one (0.14 g, 0.74 mmol) was dissolved in 3 mL of pyridine. After cooling to 0° C., 5-(5-trifluoromethyl-isoxazol-3-yl)-thiophene-2-sulfonyl chloride (0.31 g, 0.96 mmol) was added in one portion. The reaction mixture was warmed to room temperature and stirred overnight. After concentration, the reaction mixture was diluted with EtOAc, washed with 10% citric acid, water (×2), 5% NaHCO3 and brine and dried over Na2SO4. After concentration, the crude product was purified by column chromatography using 2:1 hexanes/EtOAc to afford 0.26 g (75%) of the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07351825B2
Source datasetuspto-grants-2008_04
ORD IDord-b5ef0201819e413983891e5184c5392f
Source noteuspto-grants-2008_04