4-Bromo-3-methylisoxazol-5-amine → HCID 23445238、化合物
反応式
Cl[S:2]([C:5]1[S:9][C:8]([C:10]2[CH:15]=[CH:14][C:13]([O:16][CH3:17])=[CH:12][CH:11]=2)=[CH:7][CH:6]=1)(=[O:4])=[O:3].[NH2:18][C:19]1[O:23][N:22]=[C:21]([CH3:24])[C:20]=1[Br:25]>>[Br:25][C:20]1[C:21]([CH3:24])=[N:22][O:23][C:19]=1[NH:18][S:2]([C:5]1[S:9][C:8]([C:10]2[CH:15]=[CH:14][C:13]([O:16][CH3:17])=[CH:12][CH:11]=2)=[CH:7][CH:6]=1)(=[O:4])=[O:3]参加物
3
実験手順
N-(4-bromo-3-methyl-5-isoxazolyl)-5-(4-methoxyphenyl)thiophene-2-sulfonamide was prepared in the same manner as described in Example 1. Reaction of 5-chlorosulfonyl-2-(4-methoxyphenyl)thiophene with 5-amino-4-bromo-3-methylisoxazole gave N-(4-bromo-3-methyl-5-isoxazolyl)-5-(4-methoxyphenyl)thiophene-2-sulfonamide in 50% yield, m.p. 128°-130° C.
後処理
- customN-(4-bromo-3-methyl-5-isoxazolyl)-5-(4-methoxyphenyl)thiophene-2-sulfonamide was prepared in the same manner
出典と根拠
- ORDレコード
- ord-259651feb91b406aa3b758cfde9bb52d
- 出典データセット
- uspto-grants-1997_01
- 特許番号
- US05594021
反応ノート
読み込み中…