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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2188169Generated: October 29, 2026

Ethylamine → 4-bromo-N-ethylthiophene-3-carboxamide

https://huagongshe.com/reaction/2188169

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
Reactant4-Bromo-3-thenoic acidHCID 85546—
SolventWaterHCID 962—
Product4-bromo-N-ethylthiophene-3-carboxamideHCID 1863012164.5%

Reaction Steps

N-Ethyl-4-bromo-3-thiophenecarboxamide was prepared from 4-bromo-3-thiophenecarboxylic acid (7 g, 34 mmol) and 70% ethylamine in water according to steps a and b of Example 248 in 64.5% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06410558B1
Source datasetuspto-grants-2002_06
ORD IDord-a9b2715b08ba44c7a7f019717a27472e
Source noteuspto-grants-2002_06