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Lithium Hydroxide → 2-((3R,5R,6S)-5-(3-Chlorophenyl)-6-(4-chlorophenyl)-1-((2S,3S)-2-methoxypentan-3-yl)-3-methyl-2-oxopiperidin-3-yl)acetic acid

HRID 932109
ノート
印刷プレビュー

反応式

HRID 932109 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:8]2[C@@H:13]([C:14]3[CH:19]=[CH:18][C:17]([Cl:20])=[CH:16][CH:15]=3)[N:12]([C@@H:21]([CH2:26][CH3:27])[C@@H:22]([O:24][CH3:25])[CH3:23])[C:11](=[O:28])[C@:10]([CH2:30][C:31]([O:33]C)=[O:32])([CH3:29])[CH2:9]2)[CH:5]=[CH:6][CH:7]=1.[OH-].[Li+]>C1COCC1.CO.O>[Cl:1][C:2]1[CH:3]=[C:4]([C@@H:8]2[C@@H:13]([C:14]3[CH:19]=[CH:18][C:17]([Cl:20])=[CH:16][CH:15]=3)[N:12]([C@@H:21]([CH2:26][CH3:27])[C@@H:22]([O:24][CH3:25])[CH3:23])[C:11](=[O:28])[C@:10]([CH2:30][C:31]([OH:33])=[O:32])([CH3:29])[CH2:9]2)[CH:5]=[CH:6][CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 3939Lithium HydroxideHCID 67998825Methyl 2-((3R,5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-((2S,3S)-2-methoxypentan-3-yl)-3-methyl-2-oxopiperidin-3-yl)acetate

生成物 1

HCID 679990212-((3R,5R,6S)-5-(3-Chlorophenyl)-6-(4-chlorophenyl)-1-((2S,3S)-2-methoxypentan-3-yl)-3-methyl-2-oxopiperidin-3-yl)acetic acid

試薬・触媒・溶媒 1

HCID 21892291Methanol tetrahydrofuran water溶媒

実験手順

To a solution of methyl 2-((3R,5R,6S)-5-(3-chlorophenyl)-6-(4-chlorophenyl)-1-((2S,3S)-2-methoxypentan-3-yl)-3-methyl-2-oxopiperidin-3-yl)acetate (34 mg, 0.067 mmol; Example 153, Step B) in THF/MeOH/H2O (1/1/1, 0.48 mL) was added 2 M lithium hydroxide (67 uL, 0.134 mmol) at rt. After being stirred at rt for 4 h, the reaction was quenched saturated aqueous NH4Cl and extracted (2×DCM) and the combined organic layers were washed (1×sat. aq. NaCl solution) and concentrated under the reduced pressure. Purification of the residue by flash chromatography on silica gel (eluent: 70 to 100% EtOAc/hexanes) provided the title compound.

後処理

  1. customthe reaction was quenched saturated aqueous NH4Cl
  2. extractionextracted (2×DCM)
  3. washthe combined organic layers were washed (1×sat. aq. NaCl solution)
  4. concentrationconcentrated under the reduced pressure
  5. customPurification of the residue by flash chromatography on silica gel (eluent: 70 to 100% EtOAc/hexanes)

出典と根拠

ORDレコード
ord-c096d7c493154a14a69f7759396511eb
出典データセット
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09296736B2

反応ノート

読み込み中…

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