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Diethyl Ether → (2R)-2-t-Butoxycarbonylamino-2-methyl-4-[1-methyl-5-(5-phenylpentanoyl)pyrrol-2-yl]-1-butanal

HRID 422925
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HRID 422925 반응식
[C:1]([O:5][C:6]([NH:8][C@:9]([CH3:32])([CH2:12][CH2:13][C:14]1[N:15]([CH3:31])[C:16]([C:19](=[O:30])[CH2:20][CH2:21][CH2:22][CH2:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)=[CH:17][CH:18]=1)[CH2:10][OH:11])=[O:7])([CH3:4])([CH3:3])[CH3:2].[Cr](O[Cr]([O-])(=O)=O)([O-])(=O)=O.[NH+]1C=CC=CC=1.[NH+]1C=CC=CC=1.CCOCC>ClCCl>[C:1]([O:5][C:6]([NH:8][C@:9]([CH3:32])([CH2:12][CH2:13][C:14]1[N:15]([CH3:31])[C:16]([C:19](=[O:30])[CH2:20][CH2:21][CH2:22][CH2:23][C:24]2[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=2)=[CH:17][CH:18]=1)[CH:10]=[O:11])=[O:7])([CH3:4])([CH3:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 3283Diethyl EtherHCID 2724130Cornforth reagentHCID 66672878(2R)-2-t-Butoxycarbonylamino-2-methyl-4-[1-methyl-5-(5-phenylpentanoyl)pyrrol-2-yl]butan-1-ol

생성물 1

HCID 86596705(2R)-2-t-Butoxycarbonylamino-2-methyl-4-[1-methyl-5-(5-phenylpentanoyl)pyrrol-2-yl]-1-butanal수율 63%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

실험 절차

To a solution of (2R)-2-t-butoxycarbonylamino-2-methyl-4-[1-methyl-5-(5-phenylpentanoyl)pyrrol-2-yl]butan-1-ol (0.3520 g, 0.80 mmol) obtained in Example (43a) in dichloromethane (8 ml) were added successively molecular sieves 4A (0.2234 g) and pyridinium dichromate (0.4594 g, 1.22 mmol), and the resulting mixture was stirred at room temperature for 20 hours. After stirring, ether was added to the reaction mixture, and the resulting mixture was filtered. The filtrate was evaporated in vacuo, and the residue was purified by chromatography on a silica gel column using a mixed solvent of hexane and ethyl acetate (3:2) as the eluent to afford the title compound (0.2195 g, yield: 63%).

후처리

  1. stirringAfter stirring
  2. filtrationthe resulting mixture was filtered
  3. customThe filtrate was evaporated in vacuo
  4. customthe residue was purified by chromatography on a silica gel column

출처 및 근거

ORD 기록
ord-db7aba8fcfea4a45af3be3ec999bb203
출처 데이터셋
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08101650B2

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