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4-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride → N-[(2R,3R)-3-Hydroxybutan-2-yl]-5-(3-{[(2S)-1-methoxypropan-2-yl]oxy}-5-[(tripropan-2-ylsilyl)oxy]phenyl)-1H-pyrrole-2-carboxamide

HRID 1964684
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Reaktionsgleichung

Reaktionsgleichung von HRID 1964684
[CH3:1][O:2][CH2:3][C@H:4]([CH3:31])[O:5][C:6]1[CH:7]=[C:8]([C:23]2[NH:27][C:26]([C:28](O)=[O:29])=[CH:25][CH:24]=2)[CH:9]=[C:10]([O:12][Si:13]([CH:20]([CH3:22])[CH3:21])([CH:17]([CH3:19])[CH3:18])[CH:14]([CH3:16])[CH3:15])[CH:11]=1.[NH2:32][C@H:33]([CH3:37])[C@H:34]([OH:36])[CH3:35].[Cl-].COC1N=C(OC)N=C([N+]2(C)CCOCC2)N=1>CO>[OH:36][C@H:34]([CH3:35])[C@H:33]([NH:32][C:28]([C:26]1[NH:27][C:23]([C:8]2[CH:9]=[C:10]([O:12][Si:13]([CH:20]([CH3:21])[CH3:22])([CH:17]([CH3:18])[CH3:19])[CH:14]([CH3:15])[CH3:16])[CH:11]=[C:6]([O:5][C@@H:4]([CH3:31])[CH2:3][O:2][CH3:1])[CH:7]=2)=[CH:24][CH:25]=1)=[O:29])[CH3:37]
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Komponenten

5

Edukt 3

HCID 27340594-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chlorideHCID 12342906(2R,3R)-3-aminobutan-2-olHCID 666835375-{3-[(1S)-2-Methoxy-1-methylethoxy]-5-[(triisopropylsilyl)oxy]phenyl}-1H-pyrrole-2-carboxylic acid

Produkt 1

HCID 66681067N-[(2R,3R)-3-Hydroxybutan-2-yl]-5-(3-{[(2S)-1-methoxypropan-2-yl]oxy}-5-[(tripropan-2-ylsilyl)oxy]phenyl)-1H-pyrrole-2-carboxamideAusbeute 70 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

5-{3-[(1S)-2-Methoxy-1-methylethoxy]-5-[(triisopropylsilyl)oxy]phenyl}-1H-pyrrole-2-carboxylic acid (0.89 g, 1.99 mmol) synthesized in Example (106c) was dissolved in methanol (20 mL), and (2R,3R)-3-aminobutan-2-ol (0.41 g, 4.60 mmol) synthesized in Example (88a) and 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride n hydrate (1.20 g, 4.34 mmol) were added, followed by stirring at room temperature for 3 days under nitrogen atmosphere. After the solvent was distilled off under reduced pressure, a saturated aqueous ammonium chloride solution (50 mL) was added, and extraction was carried out with methylene chloride (80 mL). The organic layer was washed with saturated brine, and subsequently dried over anhydrous magnesium sulfate. The resulting residue was purified using silica gel column chromatography (elution solvent: ethyl acetate/hexane=60%-80%) to afford the desired compound (722 mg, yield 70%) as a white foam.

Aufarbeitung

  1. distillationAfter the solvent was distilled off under reduced pressure
  2. additiona saturated aqueous ammonium chloride solution (50 mL) was added
  3. extractionextraction
  4. washThe organic layer was washed with saturated brine
  5. dry with materialsubsequently dried over anhydrous magnesium sulfate
  6. customThe resulting residue was purified
  7. washsilica gel column chromatography (elution solvent: ethyl acetate/hexane=60%-80%)

Quellen und Nachweise

ORD-Eintrag
ord-a513beb5f9ad4e24ba6ad0980bca386e
Quelldatensatz
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08415359B2

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