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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 725555Generated: October 27, 2026

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

https://huagongshe.com/reaction/725555

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 numberUS05705513
Source datasetuspto-grants-1998_01
ORD IDord-5fe891635293467ab5ad7e9c179092e0
Source noteuspto-grants-1998_01