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

HRID 1923902
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HRID 1923902 반응식
[NH2:1][C:2]1[C:10]2[C:5](=[N:6][CH:7]=[C:8]([Cl:25])[C:9]=2[N:11]2[CH2:16][CH2:15][CH2:14][C@@H:13]([NH:17][C:18](=[O:24])[O:19][C:20]([CH3:23])([CH3:22])[CH3:21])[CH2:12]2)[NH:4][CH:3]=1.[C:26](Cl)(=[O:29])[CH2:27][CH3:28].[Li+].[OH-]>CN1C(=O)CCC1.C(Cl)Cl.O.N1C=CC=CC=1>[Cl:25][C:8]1[C:9]([N:11]2[CH2:16][CH2:15][CH2:14][C@@H:13]([NH:17][C:18](=[O:24])[O:19][C:20]([CH3:21])([CH3:22])[CH3:23])[CH2:12]2)=[C:10]2[C:2]([NH:1][C:26](=[O:29])[CH2:27][CH3:28])=[CH:3][NH:4][C:5]2=[N:6][CH:7]=1
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참가 물질

8

반응물 3

HCID 3939Lithium HydroxideHCID 62324Propionyl chlorideHCID 67045610(R)-tert-butyl 1-(3-amino-5-chloro-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate

생성물 1

HCID 67045346(R)-tert-butyl 1-(5-chloro-3-propionamido-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate수율 63.6%

시약·촉매·용매 4

HCID 962Water
용매
HCID 1049Pyridine용매
HCID 6344Dichloromethane용매2회
HCID 13387N-methyl-2-pyrrolidone용매

실험 절차

DCM (2 mL) and pyridine (1 mL) were added to (R)-tert-butyl 1-(3-amino-5-chloro-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (0.3 g, 0.820 mmol; Example 91, Step A) in NMP (2 mL), and then propionyl chloride (0.228 g, 2.46 mmol) was added. The reaction was then stirred for 1 hour at room temperature, and then 3M aqueous LiOH (3 mL) was added. 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. Purification of the crude product by reverse phase HPLC (5-95% ACN in water) gave the product (R)-tert-butyl 1-(5-chloro-3-propionamido-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (0.220 g, 63.6% yield).

후처리

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

출처 및 근거

ORD 기록
ord-3d2c71bca046447091a26858ae17e34a
출처 데이터셋
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08178131B2

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