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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1391535Generated: November 3, 2026

Ethylamine → N1-Ethyl-4-nitro-1,2-phenylenediamine

https://huagongshe.com/reaction/1391535

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
Reactant2-Fluoro-5-nitroanilineHCID 67785—
ProductN1-Ethyl-4-nitro-1,2-phenylenediamineHCID 461340472%

Reaction Steps

2-fluoro-5-nitroaniline (5 g, 32 mmol) and a solution of ethyl amine (32 ml, 2M in THF) were coupled according to the procedure of intermediate example one part A to give the title compound as a dark red solid 4.16 g, 72%). 1H NMR (300 MHz, d6-DMSO) δ7.51 (dd, J=8.7 and 2.7 Hz, 1H), 7.38 (d, J=2.7 Hz, 1H), 6.44 (d, J=8.7 Hz, 1H), 5.86 (t, J=4.6 Hz, 1H), 5.15 (s, 2H), 3.20 (m, 2H), 1.21 (t, J=7.2 Hz, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07338959B2
Source datasetuspto-grants-2008_03
ORD IDord-21ef47374b4747ddaf6c50780fb33cfc
Source noteuspto-grants-2008_03