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4-Methylmorpholine → 2-{4-[2-Tert-butoxycarbonylamino-3-(4-fluorophenyl)-propionyl]-3-ethyl-piperazin-1-yl}-3-naphthalen-2-yl-propionic acid methyl ester

HRID 720178
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 720178
[CH3:1][O:2][C:3](=[O:24])[CH:4]([N:16]1[CH2:21][CH2:20][NH:19][CH:18]([CH2:22][CH3:23])[CH2:17]1)[CH2:5][C:6]1[CH:15]=[CH:14][C:13]2[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=2)[CH:7]=1.[CH3:25][C:26]([O:29][C:30]([NH:32][C@@H:33]([C:42](O)=[O:43])[CH2:34][C:35]1[CH:40]=[CH:39][C:38]([F:41])=[CH:37][CH:36]=1)=[O:31])([CH3:28])[CH3:27].F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.CN1CCOCC1>CN(C=O)C.O.CCOC(C)=O>[CH3:1][O:2][C:3](=[O:24])[CH:4]([N:16]1[CH2:21][CH2:20][N:19]([C:42](=[O:43])[CH:33]([NH:32][C:30]([O:29][C:26]([CH3:27])([CH3:25])[CH3:28])=[O:31])[CH2:34][C:35]2[CH:36]=[CH:37][C:38]([F:41])=[CH:39][CH:40]=2)[CH:18]([CH2:22][CH3:23])[CH2:17]1)[CH2:5][C:6]1[CH:15]=[CH:14][C:13]2[C:8](=[CH:9][CH:10]=[CH:11][CH:12]=2)[CH:7]=1
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Komponenten

8

Edukt 4

HCID 79724-MethylmorpholineHCID 2734493(2R)-2-(((tert-butoxy)carbonyl)amino)-3-(4-fluorophenyl)propanoic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 695875432-(3-Ethyl-piperazin-1-yl)-3-naphthalen-2-yl-propionic acid methyl ester

Produkt 1

HCID 69587568
2-{4-[2-Tert-butoxycarbonylamino-3-(4-fluorophenyl)-propionyl]-3-ethyl-piperazin-1-yl}-3-naphthalen-2-yl-propionic acid methyl ester
Ausbeute 91 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 962WaterLösungsmittelHCID 6228DimethylformamideLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

2-(3-Ethyl-piperazin-1-yl)-3-naphthalen-2-yl-propionic acid methyl ester, 34, (2.1 g, 6.4 mmol) and N-Boc-D-4-fluorophenylalanine (1.9 g, 6.8 mmol) and O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (HATU) (4.9 g, 12.9 mmol) are dissolved in anhydrous DMF (20 mL). This reaction mixture is cooled to 0° C., then N-methylmorpholine (0.75 mL, 6.8 mmol) is added. The reaction mixture is placed in a refrigerator overnight. EtOAc (75 mL) and water (300 mL) are added, and the organic layer is separated. The aqueous layer is extracted with EtOAc (3×150 mL). The combined organic layers are washed with water (100 mL), dried over Na2SO4, and concentrated in vacuo. The resulting residue is purified over silica (EtOAc/Hexane, 1:2) to afford 3.5 g (91% yield) of the desired product. 1H NMR (CDCl3, δ): 7.82–7.75 (m, 3H), 7.62 (s, 1H), 7.52–7.40 (M, 2H), 7.34 (m, 1H), 7.22–7.25 (m, 2H), 7.02–6.92 (m2H), 5.75–5.62 (M, 1H), 5.18 (d, J=7.7 Hz, 0.5H), 4.90 (quartet, J=7.7 Hz, 1H), 4750–4.62 (m, 0.5H), 4.50–4.25 (m, 1H), 3.64 (d, J=9.7 Hz, 3H), 3.58–3.38 (m, 1.5H), 3.30–2.90 (m, 6H), 2.90–2.70 (m, 1H), 2.62–2.25 (d, J=11.6 Hz, 1H), 2.15–2.00 (m, 1H), 1.78–1.50 (m, 1.5H), 1.42 (s, 9H), 1.35–1.20 (m, 1H), 0.6 (t, J=9.7 Hz, 2H); 13C NMR, δ 174.2, 171.6, 171.0, 170.2, 164.0, 160.2, 156, 135.7, 133.7, 132.4, 131.4, 131.3, 128.1, 127.8, 127.6, 127.5, 126.2, 125.7, 115.7, 115.5, 115.4, 115.3, 79.9, 68.9, 68.7, 55.9, 54.1, 53.7, 51.4, 51.2, 51.0, 47.5, 46.6, 40.1, 39.1, 38.1, 35.4, 28.5, 22.9, 21.9, 10.6, 10.0

Aufarbeitung

  1. customis placed in a refrigerator overnight
  2. customthe organic layer is separated
  3. extractionThe aqueous layer is extracted with EtOAc (3×150 mL)
  4. washThe combined organic layers are washed with water (100 mL)
  5. dry with materialdried over Na2SO4
  6. concentrationconcentrated in vacuo
  7. customThe resulting residue is purified over silica (EtOAc/Hexane, 1:2)

Quellen und Nachweise

ORD-Eintrag
ord-9c4a08dcf33247379ad2c5ac4efe8320
Quelldatensatz
uspto-grants-2006_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07132539B2

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