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Triphenylphosphine → 4-((S)-2-{[4-((R)-1-Benzyloxycarbonyl-ethoxy)-7-methyl-quinoline-2-carbonyl]-amino}-4-tert-butoxycarbonyl-butyryl)-piperazine-1-carboxylic acid ethyl ester

HRID 1185451
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1185451
[CH2:1]([O:3][C:4]([N:6]1[CH2:11][CH2:10][N:9]([C:12](=[O:38])[C@@H:13]([NH:23][C:24]([C:26]2[CH:35]=[C:34]([OH:36])[C:33]3[C:28](=[CH:29][C:30]([CH3:37])=[CH:31][CH:32]=3)[N:27]=2)=[O:25])[CH2:14][CH2:15][C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:8][CH2:7]1)=[O:5])[CH3:2].[CH2:39]([O:46][C:47](=[O:51])[C@@H:48](O)[CH3:49])[C:40]1[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>C1COCC1.O>[CH2:1]([O:3][C:4]([N:6]1[CH2:7][CH2:8][N:9]([C:12](=[O:38])[C@@H:13]([NH:23][C:24]([C:26]2[CH:35]=[C:34]([O:36][C@@H:48]([C:47]([O:46][CH2:39][C:40]3[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=3)=[O:51])[CH3:49])[C:33]3[C:28](=[CH:29][C:30]([CH3:37])=[CH:31][CH:32]=3)[N:27]=2)=[O:25])[CH2:14][CH2:15][C:16]([O:18][C:19]([CH3:21])([CH3:22])[CH3:20])=[O:17])[CH2:10][CH2:11]1)=[O:5])[CH3:2]
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Komponenten

7

Edukt 4

HCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 11052238benzyl (2S)-2-hydroxypropanoateHCID 178473386HCID 178473386, Verbindung

Produkt 1

HCID 685981094-((S)-2-{[4-((R)-1-Benzyloxycarbonyl-ethoxy)-7-methyl-quinoline-2-carbonyl]-amino}-4-tert-butoxycarbonyl-butyryl)-piperazine-1-carboxylic acid ethyl ester

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of 1 g of 4-{(S)-4-tert-Butoxycarbonyl-2-[(4-hydroxy-7-methyl-quinoline-2-carbonyl)-amino]-butyryl}-piperazine-1-carboxylic acid ethyl ester and 341 mg of (S)-2-Hydroxy-propionic acid benzyl ester in 15 ml of THF, 744 mg of Triphenyl-phosphane and 494 mg of Diethyl azodicarboxylate was added and stirred for 2 h. Then, the reaction mixture was diluted with water and extracted with ethyl acetate. The organic phase was dried over MgSO4 and the solvents were removed under reduced pressure. The crude product was purified by chromatography on silica gel eluting with a gradient of n-heptane/ethyl acetate. The fractions containing the product were combined and the solvent evaporated under reduced pressure. Yield: 1.0 g.

Aufarbeitung

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic phase was dried over MgSO4
  3. customthe solvents were removed under reduced pressure
  4. customThe crude product was purified by chromatography on silica gel eluting with a gradient of n-heptane/ethyl acetate
  5. additionThe fractions containing the product
  6. customthe solvent evaporated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-c37db4f09b1a4ec592c1a12d55b5d47f
Quelldatensatz
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08669266B2

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