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Lithium Hydroxide → (R)-tert-butyl 1-(5-bromo-3-propionamido-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate

HRID 875865
ノート
印刷プレビュー

反応式

HRID 875865 の反応式
[C:1](Cl)(=[O:4])[CH2:2][CH3:3].[NH2:6][C:7]1[C:15]2[C:10](=[N:11][CH:12]=[C:13]([Br:30])[C:14]=2[N:16]2[CH2:21][CH2:20][CH2:19][C@@H:18]([NH:22][C:23](=[O:29])[O:24][C:25]([CH3:28])([CH3:27])[CH3:26])[CH2:17]2)[NH:9][CH:8]=1.[Li+].[OH-]>CN1C(=O)CCC1.C(Cl)Cl.O.N1C=CC=CC=1>[Br:30][C:13]1[C:14]([N:16]2[CH2:21][CH2:20][CH2:19][C@@H:18]([NH:22][C:23](=[O:29])[O:24][C:25]([CH3:27])([CH3:26])[CH3:28])[CH2:17]2)=[C:15]2[C:7]([NH:6][C:1](=[O:4])[CH2:2][CH3:3])=[CH:8][NH:9][C:10]2=[N:11][CH:12]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 3

HCID 3939Lithium HydroxideHCID 62324Propionyl chlorideHCID 67045407(R)-tert-butyl 1-(3-amino-5-bromo-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate

生成物 1

HCID 67045151(R)-tert-butyl 1-(5-bromo-3-propionamido-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate収率 52.8%

試薬・触媒・溶媒 4

HCID 962Water
溶媒
HCID 1049Pyridine溶媒
HCID 6344Dichloromethane溶媒2 回
HCID 13387N-methyl-2-pyrrolidone溶媒

実験手順

DCM (2 mL), pyridine (0.5 mL) and propionyl chloride (0.180 g, 1.95 mmol) were added to (R)-tert-butyl 1-(3-amino-5-bromo-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (0.200 g, 0.487 mmol; Example 98, Step A) in NMP (3 mL). The reaction was then stirred for 1 hour at room temperature. 3M aqueous LiOH (3 mL) was then added, and the reaction was stirred for 10 minutes. Water (10 mL) and DCM (10 mL) were then added, and the organic fraction was dried, filtered and concentrated to give the crude product. Purification by reverse phase HPLC (5-95% ACN in water) gave the product (R)-tert-butyl 1-(5-bromo-3-propionamido-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (0.120 g, 52.8% yield).

後処理

  1. stirringthe reaction was stirred for 10 minutes
  2. customthe organic fraction was dried
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customto give the crude product
  6. customPurification by reverse phase HPLC (5-95% ACN in water)

出典と根拠

ORDレコード
ord-412de82b1a7840199147729d347b5d84
出典データセット
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08981085B2

反応ノート

読み込み中…

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