Methanesulfonyl chloride → 2-{(3R,5R)-1-[4-(4-chlorophenoxy)phenyl]-5-[3-(trifluoromethyl)phenyl]-2-oxopyrrolidin-3-yl}ethyl methanesulfonate
反応式
[Cl:1][C:2]1[CH:33]=[CH:32][C:5]([O:6][C:7]2[CH:12]=[CH:11][C:10]([N:13]3[C@@H:17]([C:18]4[CH:23]=[CH:22][CH:21]=[C:20]([C:24]([F:27])([F:26])[F:25])[CH:19]=4)[CH2:16][C@H:15]([CH2:28][CH2:29][OH:30])[C:14]3=[O:31])=[CH:9][CH:8]=2)=[CH:4][CH:3]=1.[CH3:34][S:35](Cl)(=[O:37])=[O:36]>C(Cl)Cl>[CH3:34][S:35]([O:30][CH2:29][CH2:28][C@H:15]1[CH2:16][C@H:17]([C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([C:24]([F:26])([F:27])[F:25])[CH:19]=2)[N:13]([C:10]2[CH:9]=[CH:8][C:7]([O:6][C:5]3[CH:4]=[CH:3][C:2]([Cl:1])=[CH:33][CH:32]=3)=[CH:12][CH:11]=2)[C:14]1=[O:31])(=[O:37])=[O:36]参加物
4
反応物 2
生成物 1
試薬・触媒・溶媒 1
実験手順
To a solution of (3R,5R)-1-[4-(4-chlorophenoxy)phenyl]-5-[3-(trifluoromethyl)phenyl]-3-(2-hydroxyethyl)pyrrolidin-2-one (50 mg, 0.105 mmol) in DCM (2 mL) at 0° C. is added MsCl (26 μL) and TEA (50 μL). The reaction mixture is stirred at room temperature for 45 min before removal of the solvent. The residue is purified on silica gel (0-50% ethyl acetate in hexane) to give 2-{(3R,5R)-1-[4-(4-chlorophenoxy)phenyl]-5-[3-(trifluoromethyl)phenyl]-2-oxopyrrolidin-3-yl}ethyl methanesulfonate (54.3 mg, 93%) as a colorless oil.
後処理
- customThe residue is purified on silica gel (0-50% ethyl acetate in hexane)
出典と根拠
- ORDレコード
- ord-fe399ee10bdf43318a4f74ea0f991fab
- 出典データセット
- uspto-grants-2013_04
- 特許番号
- US08431607B2
反応ノート
読み込み中…