m-Chloroperbenzoic acid → 4-chloro-8-(2,4-difluorophenyl)-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-one
反応式
[Cl:1][C:2]1[C:3]2[CH:13]=[CH:12][C:11](=[O:14])[N:10]([C:15]3[CH:20]=[CH:19][C:18]([F:21])=[CH:17][C:16]=3[F:22])[C:4]=2[N:5]=[C:6]([S:8][CH3:9])[N:7]=1.C1C=C(Cl)C=C(C(OO)=[O:31])C=1>C(Cl)Cl>[Cl:1][C:2]1[C:3]2[CH:13]=[CH:12][C:11](=[O:14])[N:10]([C:15]3[CH:20]=[CH:19][C:18]([F:21])=[CH:17][C:16]=3[F:22])[C:4]=2[N:5]=[C:6]([S:8]([CH3:9])=[O:31])[N:7]=1参加物
4
実験手順
To a solution of 4-chloro-8-(2,4-difluorophenyl)-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one (2.5 g, 7.6 mmol) in DCM (100 ml) was added m-CPBA (2.2 g, 10.2 mmol). The mixture was stirred for 10 min and evaporated. Flash chromatography (EtOAc) provided the title compound as a yellow solid (2.1 g, 80%): LC-MS m/z 356 (M+H)+ retention 2.43 min.
後処理
- customevaporated
出典と根拠
- ORDレコード
- ord-4c015ef8792d4a1c9fe58f082b11d15d
- 出典データセット
- uspto-grants-2012_06
- 特許番号
- US08207176B2
反応ノート
読み込み中…