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Tetrahydrofuran → 2-((3R,5R,6S)-5-(3-Chlorophenyl)-6-(4-chlorophenyl)-3-methyl-1-((S)-1-morpholinobutan-2-yl)-2-oxopiperidin-3-yl)acetaldehyde

HRID 1048309
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1048309
[CH2:1]([C@@:4]1([CH3:35])[CH2:9][C@H:8]([C:10]2[CH:15]=[CH:14][CH:13]=[C:12]([Cl:16])[CH:11]=2)[C@@H:7]([C:17]2[CH:22]=[CH:21][C:20]([Cl:23])=[CH:19][CH:18]=2)[N:6]([C@@H:24]([CH2:32][CH3:33])[CH2:25][N:26]2[CH2:31][CH2:30][O:29][CH2:28][CH2:27]2)[C:5]1=[O:34])[CH:2]=C.C1C[O:39]CC1.C[N+]1([O-])CCOCC1.I([O-])(=O)(=O)=O.[Na+]>O.C(OCC)(=O)C.[Os](=O)(=O)(=O)=O.CC(O)(C)C>[Cl:16][C:12]1[CH:11]=[C:10]([C@@H:8]2[C@@H:7]([C:17]3[CH:22]=[CH:21][C:20]([Cl:23])=[CH:19][CH:18]=3)[N:6]([C@@H:24]([CH2:32][CH3:33])[CH2:25][N:26]3[CH2:31][CH2:30][O:29][CH2:28][CH2:27]3)[C:5](=[O:34])[C@:4]([CH2:1][CH:2]=[O:39])([CH3:35])[CH2:9]2)[CH:15]=[CH:14][CH:13]=1
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Komponenten

10

Edukt 4

HCID 8028TetrahydrofuranHCID 82029Methyl morpholine oxideHCID 23667635Sodium periodateHCID 58573565(3S,5R,6S)-3-allyl-5-(3-chlorophenyl)-6-(4-chlorophenyl)-3-methyl-1-((S)-1-morpholinobutan-2-yl)piperidin-2-one

Produkt 1

HCID 585735812-((3R,5R,6S)-5-(3-Chlorophenyl)-6-(4-chlorophenyl)-3-methyl-1-((S)-1-morpholinobutan-2-yl)-2-oxopiperidin-3-yl)acetaldehyde

Reagenzien, Katalysatoren, Lösungsmittel 5

HCID 962WaterKatalysatorHCID 30318Osmium TetroxideKatalysator3×HCID 962WaterLösungsmittel4×HCID 6386tert-ButanolLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a round-bottomed flask charged with (3S,5R,6S)-3-allyl-5-(3-chlorophenyl)-6-(4-chlorophenyl)-3-methyl-1-((S)-1-morpholinobutan-2-yl)piperidin-2-one (Example 91, Step D) (125 mg, 0.242 mmol) was added THF (2 mL). Approximately 1 mL water was added dropwise until the solution became and remained cloudy with gentle stirring. t-BuOH (0.350 mL) was added dropwise until the solution became homogeneous. NMO (42.6 mg, 0.364 mmol) was added followed by osmium tetroxide, 4 wt. %, in water (1 drop from glass Pasteur pipette). The reaction mixture was stirred at room temperature for 16 hours. An additional drop of osmium tetroxide, 4 wt. %, in water was added. After 5 hours, two additional drops of osmium tetroxide, 4 wt. %, in water were added and the reaction mixture was stirred at room temperature for an additional 16 hours. Sodium periodate (145 mg, 0.679 mmol) was added and the reaction mixture was stirred at room temperature for 2 hours. The reaction mixture was diluted with ethyl acetate (10 mL) and water (10 mL) and filtered. The aqueous layer of the filtrate was extracted with additional ethyl acetate (10 mL) and the combined organic layers were washed with sat. aq. NaCl solution, dried over sodium sulfate, filtered and the filtrate was concentrated under reduced pressure to provide the title compound.

Aufarbeitung

  1. waitAfter 5 hours
  2. stirringthe reaction mixture was stirred at room temperature for an additional 16 hours
  3. stirringthe reaction mixture was stirred at room temperature for 2 hours
  4. filtrationfiltered
  5. extractionThe aqueous layer of the filtrate was extracted with additional ethyl acetate (10 mL)
  6. washthe combined organic layers were washed with sat. aq. NaCl solution
  7. dry with materialdried over sodium sulfate
  8. filtrationfiltered
  9. concentrationthe filtrate was concentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-29746a271beb472e9a76c07feec0dc33
Quelldatensatz
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08569341B2

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