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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1453029Generated: October 26, 2026

Ethylamine → 2-(4-Bromo-phenyl)-N-ethyl-isobutyramide

https://huagongshe.com/reaction/1453029

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
ReactantMonoethyl malonateHCID 70615—
Reactant(R)-4-bromo-alpha-methylbenzylamineHCID 853000—
Reactant2-(4-Bromophenyl)-2-methylpropanoic acidHCID 10933679—
Product2-(4-Bromo-phenyl)-N-ethyl-isobutyramideHCID 5876271082%

Reaction Steps

The title compound was prepared as described in Step 1 of Example A(39), where 2-(4-bromophenyl)-2-methyl propionic acid was substituted for ethyl hydrogen malonate and ethyl amine was substituted for (R)-(+)-1-(4-bromophenyl)ethylamine on that example. Yield 82%. 1H NMR (CDCl3) δ: 1.01 (t, J=5.3 Hz, 3H), 1.55 (s, 6H),), 3.2 (q, J=7.0, 5.3, 2H), 5.15 (brs, 1H), 7.22-7.26 (m, 2H), 7.46-7.50 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07473790B2
Source datasetuspto-grants-2009_01
ORD IDord-e295cda42c5a4deab0a51c0e9db41c96
Source noteuspto-grants-2009_01