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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1060156Generated: October 27, 2026

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

https://huagongshe.com/reaction/1060156

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 numberUS06521603B2
Source datasetuspto-grants-2003_02
ORD IDord-900d5eaa55df4ad08ea1ffe071e06c78
Source noteuspto-grants-2003_02