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Neopentylamine → {(1S,2S,4R)-4-(2,2-Dimethylpropylcarbamoyl)-1-[4-(2-chloro-5-fluorophenyl)-2,2-dimethyl-5-oxopiperazin-1-ylmethyl]-2-hydroxypentyl}carbamic acid t-butyl ester

HRID 1694977
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1694977
OC1C=CC=CN=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[Cl:31])[CH2:19][C:18]1([CH3:33])[CH3:32])([CH3:11])([CH3:10])[CH3:9].[CH3:42][C:43]([CH3:47])([CH3:46])[CH2:44][NH2:45]>O>[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[Cl:31])[CH2:19][C:18]1([CH3:32])[CH3:33])[C@@H:34]([OH:35])[CH2:38][C@H:37]([C:36](=[O:40])[NH:45][CH2:44][C:43]([CH3:47])([CH3:46])[CH3:42])[CH3:39])([CH3:9])([CH3:11])[CH3:10]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 79882NeopentylamineHCID 66645673{(S)-2-[4-(2-Chloro-5-fluorophenyl)-2,2-dimethyl-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 66645689{(1S,2S,4R)-4-(2,2-Dimethylpropylcarbamoyl)-1-[4-(2-chloro-5-fluorophenyl)-2,2-dimethyl-5-oxopiperazin-1-ylmethyl]-2-hydroxypentyl}carbamic acid t-butyl ester
Ausbeute 93 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

20 mg of 2-hydroxypyridine (0.21 mmol) was added to a solution of 210 mg of {(S)-2-[4-(2-chloro-5-fluorophenyl)-2,2-dimethyl-5-oxopiperazin-1-yl]-1-[(2S,4R)-4-methyl-5-oxotetrahydrofuran-2-yl]ethyl}carbamic acid t-butyl ester obtained in Example (97b) (0.42 mmol) in (2,2-dimethylpropyl)amine (0.74 ml) (6.30 mmol), and the mixture was stirred at 80° C. for two hours. The reaction mixture was cooled and then water was added, followed by extraction with methylene chloride. 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/acetone=5/2-2/1) to obtain 228 mg of the title compound (yield: 93%).

Aufarbeitung

  1. temperatureThe reaction mixture was cooled
  2. extractionfollowed by extraction with methylene chloride
  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/acetone=5/2-2/1)

Quellen und Nachweise

ORD-Eintrag
ord-6b88d4792dbd479896fdd0f76ed28a3c
Quelldatensatz
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08158790B2

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