Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 567998Generated: October 26, 2026

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

https://huagongshe.com/reaction/567998

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-hydroxynapthalene(195 mg, 1 mmol) and 2-bromophenylisocyanate(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 numberUS06180675B2
Source datasetuspto-grants-2001_01
ORD IDord-ca3cbc344ed34db7bc3af4ab29795a80
Source noteuspto-grants-2001_01