Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1385368Generated: October 25, 2026

1-Amino-2-naphthol → N-(2-hydroxynaphthyl) N'-(2-bromo phenyl) urea

https://huagongshe.com/reaction/1385368

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Amino-2-naphtholHCID 14535—
Reactant2-Bromophenyl isocyanateHCID 137097—
ProductN-(2-hydroxynaphthyl) N'-(2-bromo phenyl) ureaHCID 220113188.4%

Reaction Steps

The urea was prepared from 1-amino 2-hydroxy napthalene (195 mg, 1 mmol) and 2-bromo phenyl isocyanate (1 mmol) by general Method B. It was purified by dilution with methylene chloride and precipitation with hexane. Filtering afforded the title compound (0.030 g, 8%). EI-MS m/z 357 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06262113B1
Source datasetuspto-grants-2001_07
ORD IDord-1e89738995554726ae2dd6e95fc540ca
Source noteuspto-grants-2001_07