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Water → {(1S,2S,4R)-4-(Cyclopentylcarbamoyl)-1-[2,2-dimethyl-4-(5-fluoro-2-methylphenyl)-5-oxopiperazin-1-ylmethyl]-2-hydroxypentyl}carbamic acid t-butyl ester

HRID 1694983
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1694983
O[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][N:3]=1.[C:8]([O:12][C:13](=[O:41])[NH:14][C@H:15]([C@@H:34]1[CH2:38][C@@H:37]([CH3:39])[C:36](=[O:40])[O:35]1)[CH2:16][N:17]1[CH2:22][C:21](=[O:23])[N:20]([C:24]2[CH:29]=[C:28]([F:30])[CH:27]=[CH:26][C:25]=2[CH3:31])[CH2:19][C:18]1([CH3:33])[CH3:32])([CH3:11])([CH3:10])[CH3:9].O>C1(N)CCCC1>[C:8]([O:12][C:13](=[O:41])[NH:14][C@@H:15]([CH2:16][N:17]1[CH2:22][C:21](=[O:23])[N:20]([C:24]2[CH:29]=[C:28]([F:30])[CH:27]=[CH:26][C:25]=2[CH3:31])[CH2:19][C:18]1([CH3:33])[CH3:32])[C@@H:34]([OH:35])[CH2:38][C@H:37]([C:36](=[O:40])[NH:3][CH:4]1[CH2:2][CH2:7][CH2:6][CH2:5]1)[CH3:39])([CH3:11])([CH3:10])[CH3:9]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 962WaterHCID 66645569{(S)-2-[2,2-Dimethyl-4-(5-fluoro-2-methylphenyl)-5-oxopiperazin-1-yl]-1-[(2S,4R)-4-methyl-5-oxotetrahydrofuran-2-yl]ethyl}carbamic acid t-butyl esterHCID 178516071HCID 178516071, Verbindung

Produkt 1

HCID 66645800{(1S,2S,4R)-4-(Cyclopentylcarbamoyl)-1-[2,2-dimethyl-4-(5-fluoro-2-methylphenyl)-5-oxopiperazin-1-ylmethyl]-2-hydroxypentyl}carbamic acid t-butyl esterAusbeute 450,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 2906CyclopentylamineLösungsmittel

Reaktionsbedingungen

Temperatur
85 °C

Versuchsvorschrift

7.9 mg of 2-hydroxypyridine (0.08 mmol) was added to a solution of 200 mg of {(S)-2-[2,2-dimethyl-4-(5-fluoro-2-methylphenyl)-5-oxopiperazin-1-yl]-1-[(2S,4R)-4-methyl-5-oxotetrahydrofuran-2-yl]ethyl}carbamic acid t-butyl ester obtained in Example (101b) (0.42 mmol) in cyclopentylamine (1.5 ml), and the mixture was stirred at 85° C. for four hours. The reaction mixture was cooled and then water was added, followed by extraction with ethyl acetate. Then, the organic layer was dried over anhydrous magnesium sulfate. After filtration, the solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (elution solvent:methylene chloride/methanol=20/1) to obtain 203 mg of the title compound (yield: 86%).

Aufarbeitung

  1. temperatureThe reaction mixture was cooled
  2. extractionfollowed by extraction with ethyl acetate
  3. dry with materialThen, the organic layer was dried over anhydrous magnesium sulfate
  4. filtrationAfter filtration
  5. customthe solvent was evaporated under reduced pressure
  6. customthe residue was purified by silica gel column chromatography (elution solvent:methylene chloride/methanol=20/1)

Quellen und Nachweise

ORD-Eintrag
ord-47117aeb8cdd4d1ab7f4ff7057ee4dd1
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08158790B2

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