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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1939027Generated: November 3, 2026

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

https://huagongshe.com/reaction/1939027

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 numberUS05693667
Source datasetuspto-grants-1997_12
ORD IDord-da8b932779ff4e0b951303d47c15de1d
Source noteuspto-grants-1997_12