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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 567982Generated: October 26, 2026

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

https://huagongshe.com/reaction/567982

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Nitrophenyl isocyanateHCID 76834—
Reactant2-Amino-5-NitrophenolHCID 4984721—
ProductN-(2-hydroxy-4-nitrophenyl)-N'-(2-nitrophenyl)ureaHCID 2118470544%

Reaction Steps

N-(2-Hydroxy-4-nitrophenyl)-N′-(2-nitrophenyl)urea was prepared from 2-hydroxy 4-nitro aniline (500 mg, 3.24 mmol) and 2-nitrophenylisocyanate (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, 44%). EI-MS m/z 319(M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06180675B2
Source datasetuspto-grants-2001_01
ORD IDord-e490e06144694cba960729fa4f462bf7
Source noteuspto-grants-2001_01