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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1409060Generated: November 2, 2026

Hydrochloric Acid → HCID 136333945, compound

https://huagongshe.com/reaction/1409060

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthanolHCID 702—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 71147199HCID 71147199—
SolventWaterHCID 962—
ProductHCID 136333945HCID 13633394560.2%

Reaction Conditions

Temperature70 °C

Reaction Steps

To 5-bromo-3-[(cyclopentylacetyl)amino]thiophene-2-carboxamide (290 mg) were added 2M aqueous sodium hydroxide solution (1.75 mL) and ethanol (3.0 mL), and the mixture was stirred at 70° C. for 2 hr. The reaction system was neutralized with 1M hydrochloric acid at 0° C. Water (2 mL) was added, and the precipitate was collected by filtration to give the title compound (165 mg) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08921354B2
Source datasetuspto-grants-2014_12
ORD IDord-b6d87d4a346e4663a1248d84411dd779
Source noteuspto-grants-2014_12