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Acetone → (S)-1-{4-[(4-Benzyloxy-phenyl)-(3-methyl-but-2-enyl)-amino]-piperidin-1-yl}-2-isopropylamino-4-methyl-pentan-1-one

HRID 2299893
ノート
印刷プレビュー

反応式

HRID 2299893 の反応式
[NH2:1][C@@H:2]([CH2:31][CH:32]([CH3:34])[CH3:33])[C:3]([N:5]1[CH2:10][CH2:9][CH:8]([N:11]([C:17]2[CH:22]=[CH:21][C:20]([O:23][CH2:24][C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=3)=[CH:19][CH:18]=2)[CH2:12][CH:13]=[C:14]([CH3:16])[CH3:15])[CH2:7][CH2:6]1)=[O:4].[CH3:35][C:36]([CH3:38])=O.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>C(Cl)Cl.CCOC(C)=O>[CH2:24]([O:23][C:20]1[CH:19]=[CH:18][C:17]([N:11]([CH2:12][CH:13]=[C:14]([CH3:16])[CH3:15])[CH:8]2[CH2:9][CH2:10][N:5]([C:3](=[O:4])[C@@H:2]([NH:1][CH:36]([CH3:38])[CH3:35])[CH2:31][CH:32]([CH3:34])[CH3:33])[CH2:6][CH2:7]2)=[CH:22][CH:21]=1)[C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 180AcetoneHCID 5049666Sodium triacetoxyborohydrideHCID 10004622(S)-2-Amino-1-{4-[(4-benzyloxy-phenyl)-(3-methyl-but-2-enyl)-amino]-piperidin-1-yl}-4-methyl-pentan-1-one

生成物 1

HCID 10696911(S)-1-{4-[(4-Benzyloxy-phenyl)-(3-methyl-but-2-enyl)-amino]-piperidin-1-yl}-2-isopropylamino-4-methyl-pentan-1-one収率 81%

試薬・触媒・溶媒 2

HCID 6344
Dichloromethane
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

A solution of (S)-2-Amino-1-{4-[(4-benzyloxy-phenyl)-(3-methyl-but-2-enyl)-amino]-piperidin-1-yl}-4-methyl-pentan-1-one (Example 20) (0.20 g, 0.43 mmol) and acetone (25 mg, 0.43 mmol) in CH2Cl2 (4 mL) was cooled to 0° C., treated with NaBH(OAc)3, allowed to warm to room temperature as ice melted and stir overnight. The reaction was diluted with EtOAc (100 mL), washed with saturated sodium bicarbonate solution and brine, dried over Na2SO4, and concentrated. The residue was chromatographed on silica gel eluting with 5% MeOH/CH2Cl2 to give 176 mg (81%) of the desired product.

後処理

  1. washwashed with saturated sodium bicarbonate solution and brine
  2. dry with materialdried over Na2SO4
  3. concentrationconcentrated
  4. customThe residue was chromatographed on silica gel eluting with 5% MeOH/CH2Cl2

出典と根拠

ORDレコード
ord-fbad4d4e4a6f418b9c8da1e40255f63f
出典データセット
uspto-grants-2002_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06495715B2

反応ノート

読み込み中…

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