1-Amino-2-naphthol → N-(2-hydroxynaphthyl) N'-(2-bromo phenyl) urea
Reaction equation
[NH2:1][C:2]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH:5]=[CH:4][C:3]=1[OH:12].[Br:13][C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=1[N:20]=[C:21]=[O:22]>>[OH:12][C:3]1[CH:4]=[CH:5][C:6]2[C:11](=[CH:10][CH:9]=[CH:8][CH:7]=2)[C:2]=1[NH:1][C:21]([NH:20][C:15]1[CH:16]=[CH:17][CH:18]=[CH:19][C:14]=1[Br:13])=[O:22]Participants
3
Procedure
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)+.
Workup
- customIt was purified by dilution with methylene chloride and precipitation with hexane
- filtrationFiltering
Sources & evidence
- ORD record