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Ammonium Chloride → tert-butyl (5S,8S,11S,12R)-11-((S)-sec-butyl)-1-(9H-fluoren-9-yl)-5,8-diisopropyl-12-methoxy-4,10-dimethyl-3,6,9-trioxo-2-oxa-4,7,10-triazatetradecan-14-oate

HRID 573004
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 573004
[CH:1]1[C:13]2[CH:12]([CH2:14][O:15][C:16]([N:18]([CH3:26])[C@H:19]([C:23](O)=[O:24])[CH:20]([CH3:22])[CH3:21])=[O:17])[C:11]3[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=3)[C:5]=2[CH:4]=[CH:3][CH:2]=1.[C:27]([O:31][C:32](=[O:51])[CH2:33][C@@H:34]([O:49][CH3:50])[C@@H:35]([N:40]([CH3:48])[C:41](=[O:47])[C@H:42]([CH:44]([CH3:46])[CH3:45])[NH2:43])[C@@H:36]([CH3:39])[CH2:37][CH3:38])([CH3:30])([CH3:29])[CH3:28].Cl.CN(C)CCCN=C=NCC.O.ON1C2C=CC=CC=2N=N1.[Cl-].[NH4+]>CN(C=O)C.C(OCC)(=O)C>[CH:10]1[C:11]2[CH:12]([CH2:14][O:15][C:16]([N:18]([CH3:26])[C@H:19]([C:23]([NH:43][C@H:42]([C:41]([N:40]([C@@H:35]([C@@H:36]([CH3:39])[CH2:37][CH3:38])[C@H:34]([O:49][CH3:50])[CH2:33][C:32]([O:31][C:27]([CH3:29])([CH3:30])[CH3:28])=[O:51])[CH3:48])=[O:47])[CH:44]([CH3:45])[CH3:46])=[O:24])[CH:20]([CH3:21])[CH3:22])=[O:17])[C:13]3[C:5](=[CH:4][CH:3]=[CH:2][CH:1]=3)[C:6]=2[CH:7]=[CH:8][CH:9]=1
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Komponenten

8

Edukt 5

HCID 25517Ammonium ChlorideHCID 978328(2S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-3-methylbutanoic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 10546343(3R,4S,5S)-tert-butyl 4-((S)-2-amino-N,3-dimethylbutanamido)-3-methoxy-5-methylheptanoate2×

Produkt 1

HCID 71294595tert-butyl (5S,8S,11S,12R)-11-((S)-sec-butyl)-1-(9H-fluoren-9-yl)-5,8-diisopropyl-12-methoxy-4,10-dimethyl-3,6,9-trioxo-2-oxa-4,7,10-triazatetradecan-14-oate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

396 mg (1.1 mmol) N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-valine was dissolved in DMF and then mixed in succession with 365 mg (1 mmol) tert-butyl-(3R,4S,5S)-3-methoxy-5-methyl-4-[methyl(L-valyl)amino]heptanoate (intermediate 2), 234 mg (1.2 mmol) 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and 187 mg (1.2 mmol) 1-hydroxy-1H-benzotriazole hydrate. The mixture was stirred over night at RT. The batch was then poured into a mixture of 50% saturated aqueous ammonium chloride solution and ethyl acetate. The organic phase was separated, washed in succession with saturated sodium bicarbonate solution and saturated sodium chloride solution, dried over magnesium sulfate, filtered and concentrated. The residue was used directly in the next step without further purification.

Aufarbeitung

  1. customThe organic phase was separated
  2. washwashed in succession with saturated sodium bicarbonate solution and saturated sodium chloride solution
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was used directly in the next step without further purification

Quellen und Nachweise

ORD-Eintrag
ord-e3712feaf9394067bcf214276a8e8206
Quelldatensatz
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09029406B2

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