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Triethylamine → HCID 59608133, Verbindung

HRID 2384110
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2384110
[CH3:1][O:2][C:3]1[O:4][C:5]([C:8]([OH:10])=O)=[CH:6][N:7]=1.Cl.[NH2:12][C@H:13]([CH2:22][C:23]1[CH:28]=[CH:27][C:26]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)=[CH:25][CH:24]=1)[CH2:14][C@@H:15]([CH3:21])[C:16]([O:18][CH2:19][CH3:20])=[O:17].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)CC)C>CN(C=O)C.C(Cl)Cl>[C:26]1([C:29]2[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=2)[CH:25]=[CH:24][C:23]([CH2:22][C@@H:13]([NH:12][C:8]([C:5]2[O:4][C:3]([O:2][CH3:1])=[N:7][CH:6]=2)=[O:10])[CH2:14][C@@H:15]([CH3:21])[C:16]([O:18][CH2:19][CH3:20])=[O:17])=[CH:28][CH:27]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 8471TriethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 25017086(2R,4S)-4-amino-5-(biphenyl-4-yl)-2-methylpentanoic acid ethyl ester hydrochlorideHCID 553038672-Methoxyoxazole-5-carboxylic acid

Produkt 1

HCID 59608133
HCID 59608133, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of 2-methoxyoxazole-5-carboxylic acid, intermediate 22, (68 mg, 0.47 mmol) in DMF (2 mL) and DCM (2 mL) is added (2R,4S)-ethyl 4-amino-5-(biphenyl-4-yl)-2-methylpentanoate hydrochloride (150 mg, 0.43 mmol), HATU (246 mg, 0.65 mmol), and triethylamine (180 μL, 1.29 mmol). After stirring the reaction for 2 hours at room temperature, the reaction is quenched with H2O, and the crude is diluted in EtOAc. The organic layer is washed with brine, dried over Na2SO4, filtered, and concentrated under reduced pressure. The obtained residue is purified by RP-HPLC (SunFire C18, H2O(0.1% TFA)/CH3CN), and then lyophilized to give (2R,4S)-ethyl 5-(biphenyl-4-yl)-4-(2-methoxyoxazole-5-carboxamido)-2-methylpentanoate (175 mg). HPLC retention time=1.71 minutes (condition A); MS 437.5 (M+1); 1H NMR (400 MHz, CHLOROFORM-d) δ ppm 1.20 (d, J=7.1 Hz, 3H) 1.25 (t, J=7.1 Hz, 3H) 1.65 (ddd, J=14.3, 10.0, 4.3 Hz, 1H) 1.96-2.10 (m, 1H) 2.63 (ddd, J=9.4, 7.1, 4.2 Hz, 1H) 2.92 (dd, J=13.9, 6.3 Hz, 1H) 2.99 (dd, J=13.9, 6.3 Hz, 1H) 4.11 (s, 3H) 4.12-4.18 (m, 2H) 4.34-4.54 (m, 1H) 6.15 (d, J=8.8 Hz, 1H) 7.28 (d, J=8.3 Hz, 2H) 7.31-7.37 (m, 1H) 7.40-7.47 (m, 3H) 7.54 (d, J=8.3 Hz, 2H) 7.59 (dd, J=8.3, 1.26 Hz, 2H)

Aufarbeitung

  1. customthe reaction for 2 hours at room temperature
  2. customthe reaction is quenched with H2O
  3. additionthe crude is diluted in EtOAc
  4. washThe organic layer is washed with brine
  5. dry with materialdried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe obtained residue is purified by RP-HPLC (SunFire C18, H2O(0.1% TFA)/CH3CN)

Quellen und Nachweise

ORD-Eintrag
ord-9d3ce95924a343d0988a3f2fccfb0c73
Quelldatensatz
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08263629B2

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