Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1452049Generated: October 25, 2026

Hydrogen Bromide → 2-Bromo-4-ethyl-6-nitroaniline

https://huagongshe.com/reaction/1452049

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantBromineHCID 24408—
Reactant4-Ethyl-2-nitroanilineHCID 251674—
SolventWaterHCID 962—
Product2-Bromo-4-ethyl-6-nitroanilineHCID 19973468—

Reaction Conditions

Temperature7 °C

Reaction Steps

5-Ethyl-7-bromo-4-[benzenesulfonimide]-1,4-dihydroquinoline-2-carboxylic acid, ethyl ester ##STR24## Mix 4-ethyl-2-nitroaniline (16.6g, 0.1mol) in water (400mL) and add 48% hydrobromic acid (1kg). Add bromine (16g, 0.1mol) with stirring and stir for 1 hour. Dilute to 2L and cool to 7° C. Filter, wash with water and dry to give 4-ethyl-2-nitro-6-bromoaniline.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05606063
Source datasetuspto-grants-1997_02
ORD IDord-830a3608bdd9453eba333810836ebcfd
Source noteuspto-grants-1997_02