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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 649913Generated: October 24, 2026

HCID 18422335, compound → Ethyl 2-(2-amino-4,5-difluoroanilino)benzo[b]thiophene-3-carboxylate

https://huagongshe.com/en/reaction/649913

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 18422335HCID 18422335—
ReactantHCID 178418361HCID 178418361—
CatalystHCID 178418390HCID 178418390—
SolventEthyl AcetateHCID 8857—
ProductEthyl 2-(2-amino-4,5-difluoroanilino)benzo[b]thiophene-3-carboxylateHCID 18422150—

Reaction Steps

In the same manner as in Starting Material Synthesis Example 19 and using ethyl 2-(4,5-difluoro-2-nitroanilino)benzo[b]thiophene-3-carboxylate, ethyl acetate, 10% palladium-carbon and hydrogen (60 atm kg/cm2), ethyl 2-(2-amino-4,5-difluoroanilino)benzo[b]thiophene-3-carboxylate is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06271225B1
Source datasetuspto-grants-2001_08
ORD IDord-741d1522726841718ffdca641334de7e
Source noteuspto-grants-2001_08