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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2215995Generated: October 31, 2026

4-(5-Tert-butoxy-biphenyl-3-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid ethyl ester → 4-(5-Hydroxy-biphenyl-3-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid ethyl ester

https://huagongshe.com/reaction/2215995

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(5-Tert-butoxy-biphenyl-3-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid ethyl esterHCID 69586427—
SolventTrifluoroacetic acid methylene chlorideHCID 21863450—
Product4-(5-Hydroxy-biphenyl-3-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid ethyl esterHCID 69586625100.4%

Reaction Steps

4-(5-tert-butoxy-biphenyl-3-sulfonyl)-5-methylsulfanyl-thiophene-2-carboxylic acid ethyl ester (55 mg, 0.11 mmol) was dissolved in 1:1 TFA/DCM (10 mL) and stirring for 1 h. Removal of the solvent in vacuo yielded the title compound (48 mg, 98%), which was used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07109354B2
Source datasetuspto-grants-2006_09
ORD IDord-d2bad043728a47428c3f49cd008cf984
Source noteuspto-grants-2006_09