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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 1022517
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1022517
[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.[CH3:27][O:28][C@@H:29]([C@@H:38]([N:43]([CH3:51])[C:44](=[O:50])[C@H:45]([CH:47]([CH3:49])[CH3:48])[NH2:46])[C@@H:39]([CH3:42])[CH2:40][CH3:41])[CH2:30][C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32].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:46][C@H:45]([C:44]([N:43]([C@@H:38]([C@@H:39]([CH3:42])[CH2:40][CH3:41])[C@H:29]([O:28][CH3:27])[CH2:30][C:31]([O:33][C:34]([CH3:37])([CH3:35])[CH3:36])=[O:32])[CH3:51])=[O:50])[CH:47]([CH3:49])[CH3:48])=[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) of N-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-valine were dissolved in 20 ml of DMF, and 365 mg (1 mmol) of tert-butyl (3R,4S,5S)-3-methoxy-5-methyl-4-[methyl(L-valyl)amino]heptanoate (Intermediate 2), 234 mg (1.2 mmol) of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and 187 mg (1.2 mmol) of 1-hydroxy-1H-benzotriazole hydrate were added in succession. The mixture was stirred at RT overnight. The reaction was then poured into a mixture of semisaturated aqueous ammonium chloride solution and ethyl acetate. The organic phase was separated off, washed successively with saturated sodium bicarbonate solution and saturated sodium chloride solution, dried over magnesium sulphate, filtered and concentrated. The residue was used directly, without further purification, for the next step.

Aufarbeitung

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

Quellen und Nachweise

ORD-Eintrag
ord-0a8b0c47930041b69c39d02faf672efa
Quelldatensatz
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08722629B2

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