Hydrochloric Acid → tert-butyl (1S,3S,4S)-4-amino-1-benzyl-3-hydroxy-5-[4-(2-pyridinyl)phenyl]pentylcarbamate

HRID 1174169Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1174169
[C:1]([O:5][C:6]([NH:8][C@@H:9]([CH2:38][C:39]1[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=1)[CH2:10][C@H:11]([OH:37])[C@@H:12]([NH:26]C(=O)OCC1C=CC=CC=1)[CH2:13][C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][N:21]=2)=[CH:16][CH:15]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].Cl>C(OCC)(=O)C.CO.[OH-].[OH-].[Pd+2]>[NH2:26][C@@H:12]([CH2:13][C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][N:21]=2)=[CH:16][CH:15]=1)[C@@H:11]([OH:37])[CH2:10][C@@H:9]([NH:8][C:6](=[O:7])[O:5][C:1]([CH3:2])([CH3:3])[CH3:4])[CH2:38][C:39]1[CH:40]=[CH:41][CH:42]=[CH:43][CH:44]=1

Komponenten

6

Edukt 2

HCID 313Hydrochloric AcidHCID 86726180benzyl (1S,2S,4S)-4-[(tert-butoxycarbonyl)amino]-2-hydroxy-5-phenyl-1-[4-(2-pyridinyl)benzyl]pentylcarbamate

Produkt 1

HCID 86726181tert-butyl (1S,3S,4S)-4-amino-1-benzyl-3-hydroxy-5-[4-(2-pyridinyl)phenyl]pentylcarbamateAusbeute 100,8 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 9942167Palladium hydroxideKatalysatorHCID 887MethanolLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
25 °C

Versuchsvorschrift

Method 1 A solution containing the product from Example 23J (0.568 g, 0.95 mmol) in a mixture of ethyl acetate (5 mL) and methanol (5 mL) was treated with Pd(OH)2 on carbon (0.2 g, 20% Pd by wt.) and HCl solution (0.25 mL, 4N in dioxane), stirred under a hydrogen atmosphere (balloon pressure) for 16 hours at 25° C., filtered through a bed of celite®, rinsed with a mixture of 50% ethyl acetate in methanol, and concentrated. The residue was partitioned between ethyl acetate and saturated NaHCO3. The organic phase was washed with brine and dried over MgSO4, filtered and concentrated to give the title compound (0.442 g), which was used without further purification.

Aufarbeitung

  1. filtrationfiltered through a bed of celite®
  2. washrinsed with a mixture of 50% ethyl acetate in methanol
  3. concentrationconcentrated
  4. customThe residue was partitioned between ethyl acetate and saturated NaHCO3
  5. washThe organic phase was washed with brine
  6. dry with materialdried over MgSO4
  7. filtrationfiltered
  8. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-a40492ea9b414136aa3539548b95dbd5
Quelldatensatz
uspto-grants-2010_11
Patentnummer
US07834043B2

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