2-Bromophenyl isocyanate → N-(2-hydroxy 3,4-difluorophenyl) N'-(2-bromophenyl)urea
反応式
[OH:1][C:2]1[C:8]([F:9])=[C:7]([F:10])[CH:6]=[CH:5][C:3]=1[NH2:4].[Br:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=1[N:18]=[C:19]=[O:20]>>[OH:1][C:2]1[C:8]([F:9])=[C:7]([F:10])[CH:6]=[CH:5][C:3]=1[NH:4][C:19]([NH:18][C:13]1[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=1[Br:11])=[O:20]参加物
3
実験手順
The urea was prepared from 2-hydroxy 3,4-difluoro aniline(0.290 g, 2 mmol) and 2-bromophenylisocyanate(0.4 g) by general Method B. It was purified by dilution with methylene chloride and precipitation with hexane(0.254 g, 37%). EI-MS m/z 343(M+H)+.
後処理
- customIt was purified by dilution with methylene chloride and precipitation with hexane(0.254 g, 37%)
出典と根拠
- ORDレコード
- ord-b6e22af946f446339b0eccb553ad24ff
- 出典データセット
- uspto-grants-2001_01
- 特許番号
- US06180675B2
反応ノート
読み込み中…