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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 239882Generated: October 26, 2026

2-Fluoro-5-methylphenyl isocyanate → N-(4-bromo-2-ethylphenyl)-N'-(2-fluoro-5-methylphenyl)urea

https://huagongshe.com/reaction/239882

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Fluoro-5-methylphenyl isocyanateHCID 2733377—
Reactant4-Bromo-2-ethylanilineHCID 2801283—
SolventDichloromethaneHCID 6344—
ProductN-(4-bromo-2-ethylphenyl)-N'-(2-fluoro-5-methylphenyl)ureaHCID 6668063464.7%

Reaction Steps

A solution of 4-bromo-2-ethylaniline (200 mg) in dichloromethane (10 mL) was treated with 1-fluoro-2-isocyanato-4-methylbenzene (151 mg), stirred at room temperature overnight, diluted with hexanes, and filtered. The filter cake provided 227 mg of the desired product. MS (ESI(+)) m/e 351,353 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642776B2
Source datasetuspto-grants-2014_02
ORD IDord-2b6b93845cc1458e9aa075848bbde5c7
Source noteuspto-grants-2014_02