N-bromobutanimide → 1-Bromo-7-(2,6-difluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid ethyl ester
反応式
[CH2:1]([O:3][C:4]([C:6]1[N:7]=[CH:8][C:9]2[C:14]([C:15]=1[OH:16])=[CH:13][CH:12]=[C:11]([O:17][C:18]1[C:23]([F:24])=[CH:22][CH:21]=[CH:20][C:19]=1[F:25])[CH:10]=2)=[O:5])[CH3:2].C1C(=O)N([Br:33])C(=O)C1>CC#N>[CH2:1]([O:3][C:4]([C:6]1[N:7]=[C:8]([Br:33])[C:9]2[C:14]([C:15]=1[OH:16])=[CH:13][CH:12]=[C:11]([O:17][C:18]1[C:23]([F:24])=[CH:22][CH:21]=[CH:20][C:19]=1[F:25])[CH:10]=2)=[O:5])[CH3:2]参加物
4
実験手順
A mixture of 7-(2,6-difluoro-phenoxy)-4-hydroxy-isoquinoline-3-carboxylic acid ethyl ester (210 mg) and NBS (133 mg) in MeCN (5 mL) was stirred in an ice/water bath for 2 h; then concentrated, the residue was column purified to give the desired product (156 mg). LC MS ESI: 424 (M+1)+.
後処理
- concentrationthen concentrated
- custompurified
出典と根拠
- ORDレコード
- ord-1f82058e59c24734a6a9642ce4faf995
- 出典データセット
- uspto-grants-2016_08
- 特許番号
- US09409892B2
反応ノート
読み込み中…