3-(2-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-4-{2-[3-methyl-2-oxo-1-(4-trifluoromethyl-benzyl)-imidazolidin-4-yl]-ethoxy}-phenyl)-propionic acid tert-butyl ester → 3-(2-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-4-{2-[3-methyl-2-oxo-1-(4-trifluoromethyl-benzyl)-imidazolidin-4-yl]-ethoxy}-phenyl)-propionic acid

HRID 1985210Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1985210
C([O:5][C:6](=[O:48])[CH2:7][CH2:8][C:9]1[CH:14]=[CH:13][C:12]([O:15][CH2:16][CH2:17][CH:18]2[CH2:22][N:21]([CH2:23][C:24]3[CH:29]=[CH:28][C:27]([C:30]([F:33])([F:32])[F:31])=[CH:26][CH:25]=3)[C:20](=[O:34])[N:19]2[CH3:35])=[CH:11][C:10]=1[CH2:36][N:37]1[C:45](=[O:46])[C:44]2[C:39](=[CH:40][CH:41]=[CH:42][CH:43]=2)[C:38]1=[O:47])(C)(C)C>C(Cl)Cl>[O:47]=[C:38]1[C:39]2[C:44](=[CH:43][CH:42]=[CH:41][CH:40]=2)[C:45](=[O:46])[N:37]1[CH2:36][C:10]1[CH:11]=[C:12]([O:15][CH2:16][CH2:17][CH:18]2[CH2:22][N:21]([CH2:23][C:24]3[CH:29]=[CH:28][C:27]([C:30]([F:33])([F:32])[F:31])=[CH:26][CH:25]=3)[C:20](=[O:34])[N:19]2[CH3:35])[CH:13]=[CH:14][C:9]=1[CH2:8][CH2:7][C:6]([OH:48])=[O:5]

Komponenten

3

Versuchsvorschrift

A solution of the ester obtained in Step A (70 mg, 0.10 mmol) in trifluoroacetic (1 ml) and methylene chloride (2 ml) is stirred at 23° C. for 7 hours. Concentration of the reaction mixture gave an oil which is partitioned between ethyl acetate (20 ml) and water (25 ml). The ethyl acetate layer is washed with water (15 ml), brine (20 ml), dried (Na2SO4), and concentrated to an oil which is purified by chromatography on a Biotage silica cartridge (gradient elution, 100% methylene chloride to 10:1 methylene chloride:methanol) to produce an oil (31 mg, 48%).

Aufarbeitung

  1. customConcentration of the reaction mixture gave an oil which
  2. customis partitioned between ethyl acetate (20 ml) and water (25 ml)
  3. washThe ethyl acetate layer is washed with water (15 ml), brine (20 ml)
  4. dry with materialdried (Na2SO4)
  5. concentrationconcentrated to an oil which
  6. customis purified by chromatography on a Biotage silica cartridge (gradient elution, 100% methylene chloride to 10:1 methylene chloride:methanol)

Quellen und Nachweise

ORD-Eintrag
ord-0bae457e6b974f3c8873647b4a1c15f9
Quelldatensatz
uspto-grants-2009_06
Patentnummer
US07544812B2

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