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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 748957Generated: October 27, 2026

Ammonium formate → 2-(4-(Ethylsulfonyl)phenyl)-3-(4-(2-(piperidin-1-yl)ethoxy)phenoxy)benzo[b]thiophen-6-ol

https://huagongshe.com/reaction/748957

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium formateHCID 2723923—
Reactant1-(2-{4-[6-Benzyloxy-2-(4-ethanesulfonyl-phenyl)-benzo[b]thiophen-3-yloxy]-phenoxy}-ethyl)-piperidineHCID 59751423—
CatalystPalladium hydroxideHCID 9942167—
SolventMethanolHCID 887—
SolventEthyl AcetateHCID 8857—
Product2-(4-(Ethylsulfonyl)phenyl)-3-(4-(2-(piperidin-1-yl)ethoxy)phenoxy)benzo[b]thiophen-6-olHCID 4442740587.2%

Reaction Steps

Dissolve the compound of Example 87 (400 mg, 0.64 mmol) in methanol (7 mL) and ethyl acetate (7 mL). Add ammonium formate (521 mg, 8.3 mmol) and palladium hydroxide (240 mg) and heat to reflux for 5 hours. Filter the reaction mixture and concentrate in vacuo to give 300 mg of the title compound (86%): mass spectrum (ion spray): m/z=538 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07399867B2
Source datasetuspto-grants-2008_07
ORD IDord-eabb459a073f413da1df6328fc9ccfae
Source noteuspto-grants-2008_07