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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 649907Generated: October 29, 2026

2,4-Difluoronitrobenzene → Ethyl 6-bromo-2-(5-fluoro-2-nitroanilino)benzo[b]thiophene-3-carboxylate

https://huagongshe.com/reaction/649907

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-DifluoronitrobenzeneHCID 67967—
ReactantEthyl 6-bromo-2-aminobenzo[b]thiophene-3-carboxylateHCID 18422163—
SolventDimethyl SulfoxideHCID 679—
ProductEthyl 6-bromo-2-(5-fluoro-2-nitroanilino)benzo[b]thiophene-3-carboxylateHCID 1842214877.7%

Reaction Steps

In the same manner as in Starting Material Synthesis Example 4 and using ethyl 6-bromo-2-aminobenzo[b]thiophene-3-carboxylate (8.8 g), 2,4-difluoronitrobenzene (5.6 g) and dimethyl sulfoxide (100 ml), ethyl 6-bromo-2-(5-fluoro-2-nitroanilino)benzo[b]thiophene-3-carboxylate (10 g) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06271225B1
Source datasetuspto-grants-2001_08
ORD IDord-9af5125668ec4ac58507b58c180803fd
Source noteuspto-grants-2001_08