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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1675593Generated: October 30, 2026

Potassium Carbonate → [4-Chloro-2-[[4-(ethylsulfonyl)phenyl]thio]phenoxy]-acetic acid, 1,1-dimethylethyl ester

https://huagongshe.com/reaction/1675593

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactanttert-Butyl bromoacetateHCID 79177—
Reactant4-Chloro-2-[[4-(ethylsulfonyl)phenyl]thio]-phenolHCID 66996080—
SolventDimethylformamideHCID 6228—
Product[4-Chloro-2-[[4-(ethylsulfonyl)phenyl]thio]phenoxy]-acetic acid, 1,1-dimethylethyl esterHCID 86659304—

Reaction Steps

A mixture of the product from step (iii) (0.3 g), tert-butylbromoacetate (0.15 ml) and potassium carbonate (0.13 g) in DMF (20 ml) was stirred at RT overnight. The mixture was partitioned between water and ethylacetate, the organics separated, dried, and evaporated under reduced pressure. Yield 0.55 g

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08003703B2
Source datasetuspto-grants-2011_08
ORD IDord-4b714f1cf15b4765a4e0319c66f9992c
Source noteuspto-grants-2011_08