Diisopropylethylamine → N-{(1S,2R)-1-(3,5-Difluorobenzyl)-3-[(3-ethylbenzyl)amino]-2-hydroxypropyl}-4-(1,3-oxazol-2-yl)benzamide

HRID 348888

Reaktionsgleichung

Reaktionsgleichung von HRID 348888
[O:1]1[CH:5]=[CH:4][N:3]=[C:2]1[C:6]1[CH:14]=[CH:13][C:9]([C:10]([OH:12])=O)=[CH:8][CH:7]=1.Cl.Cl.[NH2:17][C@@H:18]([CH2:32][C:33]1[CH:38]=[C:37]([F:39])[CH:36]=[C:35]([F:40])[CH:34]=1)[C@H:19]([OH:31])[CH2:20][NH:21][CH2:22][C:23]1[CH:28]=[CH:27][CH:26]=[C:25]([CH2:29][CH3:30])[CH:24]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)C(C)C)(C)C>C(Cl)Cl>[F:39][C:37]1[CH:38]=[C:33]([CH:34]=[C:35]([F:40])[CH:36]=1)[CH2:32][C@H:18]([NH:17][C:10](=[O:12])[C:9]1[CH:8]=[CH:7][C:6]([C:2]2[O:1][CH:5]=[CH:4][N:3]=2)=[CH:14][CH:13]=1)[C@H:19]([OH:31])[CH2:20][NH:21][CH2:22][C:23]1[CH:28]=[CH:27][CH:26]=[C:25]([CH2:29][CH3:30])[CH:24]=1

Komponenten

6

Versuchsvorschrift

To a solution of 4-(1,3-oxazol-2-yl)benzoic acid (105 mg, 0.6 mmol), (2R,3S)-3-amino-4-(3,5-difluorophenyl)-1-[(3-ethylbenzyl)amino]butan-2-ol dihydrochloride (220 mg, 0.6 mmol), and HATU (210 mg, 0.6 mmol) stirring in methylene chloride (5 mL) is added N,N-diisopropylethylamine (340 μL, 1.9 mmol). The reaction mixture is stirred at room temperature for 18 h. The reaction mixture is partitioned between methylene chloride and water. The organic layer is washed with water, dried (sodium sulfate), filtered, and concentrated under reduced pressure to afford a crude solid. Purification by flash column chromatography (silica, gradient 96:4 to 93:7 methylene chloride/methanol) provided the title compound. ESI MS m/z 506.2 [M+H]+.

Aufarbeitung

  1. customThe reaction mixture is partitioned between methylene chloride and water
  2. washThe organic layer is washed with water
  3. dry with materialdried (sodium sulfate)
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customto afford a crude solid
  7. customPurification by flash column chromatography (silica, gradient 96:4 to 93:7 methylene chloride/methanol)

Quellen und Nachweise

ORD-Eintrag
ord-8c4855a7df7c42e19eaa153704f24c2b
Quelldatensatz
uspto-grants-2007_02
Patentnummer
US07176242B2

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