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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1956642Generated: October 25, 2026

2-Ethylphenyl isocyanate → N-(2-hydroxy-4-nitrophenyl)-N'-(2-ethylphenyl)urea

https://huagongshe.com/reaction/1956642

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Ethylphenyl isocyanateHCID 583486—
Reactant2-Amino-5-NitrophenolHCID 4984721—
ProductN-(2-hydroxy-4-nitrophenyl)-N'-(2-ethylphenyl)ureaHCID 2118479545.1%

Reaction Steps

N-(2-Hydroxy-4-nitrophenyl)-N'-(2-ethylphenyl)urea was prepared from 2-hydroxy 4-nitro aniline (500 mg, 3.24 mmol) and 2-ethyl phenyl isocyanate (3.24 mmol) according to the procedure in General Method B. The product was purified by dilution with methylene chloride and precipitation with hexanes. Filtering afforded the title compound(0.44 g, 43%). EI-MS m/z 302(M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05780483
Source datasetuspto-grants-1998_07
ORD IDord-afa11437260e40cd9071a4e0be90b02c
Source noteuspto-grants-1998_07