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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1790268Generated: November 2, 2026

Potassium Carbonate → Ethyl 2-{4-[2-(6-(3-chlorobenzoyl)-2-oxo-1,3-benzothiazol-3(2H)-yl)-ethoxy]phenoxy}-2-methylpropanoate

https://huagongshe.com/reaction/1790268

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 22041517HCID 22041517—
Reactant6-(3'-Chlorobenzoyl)-benzothiazolinoneHCID 131725832—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
ProductEthyl 2-{4-[2-(6-(3-chlorobenzoyl)-2-oxo-1,3-benzothiazol-3(2H)-yl)-ethoxy]phenoxy}-2-methylpropanoateHCID 22041531—

Reaction Conditions

Temperature120 °C

Reaction Steps

To a solution, heated at 80° C. for 2 hours, of 6-(3′-chlorobenzoyl)-benzothiazolinone (1.8 g) in the presence of K2CO3 (1.72 g) in 20 ml of DMF there is added ethyl 2-[4-(2-chloroethoxy)phenoxy]-2-methylpropanoate (1.96 g). The reaction mixture is heated at 120° C. for 5 days, cooled, hydrolysed using 100 ml of water and rendered alkaline using 1N NaOH. The precipitate obtained is filtered off and then recrystallised from cyclohexane to yield the title compound in the form of a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07071221B2
Source datasetuspto-grants-2006_07
ORD IDord-82f2de4777404c1f83fd80eb7ede4828
Source noteuspto-grants-2006_07