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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 420968Generated: October 30, 2026

Ethanol → HCID 66657649, compound

https://huagongshe.com/reaction/420968

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 66657657HCID 66657657—
SolventWaterHCID 962—
ProductHCID 66657649HCID 66657649—

Reaction Conditions

Temperature55 °C

Reaction Steps

A mixture of 5-(3-carbamoylpyridin-2-yl-oxy)-2-ethoxycarbonylmethyl-1-(4-trifluoromethoxy-phenyl)indole-3-carboxylic acid ethyl ester (86 mg, 0.15 mmol, see step (a) above), NaOH (aq, 1M, 0.45 mL), EtOH (1 mL) and H2O (1 mL) was stirred at 55° C. for 3 h, cooled, filtered through Celite® and acidified to pH 4 with HCl (aq, 2M). The solid was filtered off, washed with H2O and purified by chromatography and recrystallisation from EtOAc. Yield 36 mg (46%), mp 128-130° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08097623B2
Source datasetuspto-grants-2012_01
ORD IDord-b9bc912df59a42dfbcd9c5abda07c220
Source noteuspto-grants-2012_01