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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 20554Generated: October 24, 2026

Bromoacetic Acid → 1,2,4-Trifluoro-5-(methylsulfonyl)benzene

https://huagongshe.com/en/reaction/20554

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromoacetic AcidHCID 6227—
ReactantSodium SulfiteHCID 24437—
ReactantSodium BicarbonateHCID 516892—
Reactant2,4,5-Trifluorobenzenesulfonyl chlorideHCID 2776979—
SolventWaterHCID 962—
Product1,2,4-Trifluoro-5-(methylsulfonyl)benzeneHCID 4673939666.5%

Reaction Conditions

Temperature150 °C

Reaction Steps

2,4,5-Trifluorophenyl sulfonyl chloride (279 mg) was added to a solution of sodium sulfite (306 mg) and sodium bicarbonate (153 mg) in water (4 mL). The mixture was heated to 150° C. in a sealed microwave vial for 400 seconds and allowed to cool. The mixture was treated with bromoacetic acid (253 mg) in water (1 mL), and heated to 150° C. for 300 seconds then allowed to cool, following which the precipitate was removed by filtration and dried in vacuo to give the desired compound (169 mg). The material was used without further purification. 1H NMR δ (d6-DMSO): 3.35 (s, 3H), 7.87-8.01 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07745475B2
Source datasetuspto-grants-2010_06
ORD IDord-e9d217611dd942d58da602e9cc758320
Source noteuspto-grants-2010_06