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Diisopropylethylamine → 3-[((1S)-2-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-1-methylethyl)oxy]-N-(1-methyl-1H-pyrazol-3-yl)-5-[(phenylmethyl)oxy]benzamide

HRID 20510
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 20510
CCN(C(C)C)C(C)C.[C:10]1([CH2:16][O:17][C:18]2[CH:19]=[C:20]([CH:24]=[C:25]([O:27][C@@H:28]([CH3:38])[CH2:29][O:30][Si:31]([C:34]([CH3:37])([CH3:36])[CH3:35])([CH3:33])[CH3:32])[CH:26]=2)[C:21]([OH:23])=O)[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1.[CH3:39][N:40]1[CH:44]=[CH:43][C:42]([NH2:45])=[N:41]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[Si:31]([O:30][CH2:29][C@H:28]([CH3:38])[O:27][C:25]1[CH:24]=[C:20]([CH:19]=[C:18]([O:17][CH2:16][C:10]2[CH:11]=[CH:12][CH:13]=[CH:14][CH:15]=2)[CH:26]=1)[C:21]([NH:45][C:42]1[CH:43]=[CH:44][N:40]([CH3:39])[N:41]=1)=[O:23])([C:34]([CH3:37])([CH3:36])[CH3:35])([CH3:32])[CH3:33]
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Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 1372541-Methyl-3-aminopyrazoleHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 536296343-[((1S)-2-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-1-methylethyl)oxy]-5-[(phenylmethyl)oxy]benzoic acid

Produkt 1

HCID 53629633
3-[((1S)-2-{[(1,1-dimethylethyl)(dimethyl)silyl]oxy}-1-methylethyl)oxy]-N-(1-methyl-1H-pyrazol-3-yl)-5-[(phenylmethyl)oxy]benzamide
Ausbeute 64,6 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

DIPEA (4.06 g, 23.4 mmol) was added to a suspension of 3-{(phenylmethyl)oxy}-5-((1S)-2-{[tert-butyl(dimethyl)silyl]oxy}-1-methylethoxy)benzoic acid (2.43 g, 5.84 mmol), 1-methyl-1H-pyrazole-3-amine (0.85 g, 8.76 mmol) and HATU (4.66 g, 12.3 mmol) in DMF (50 mL) and stirred at ambient temperature for 16 hours. The resultant mixture was partially reduced in vacuo, poured onto water (100 mL) and extracted with diethyl ether (2×50 mL). The extracts were washed with water and brine then dried (MgSO4), filtered and reduced to an opaque gum which partially crystallized. The crude product was purified by column chromatography, eluting with 0-100% ethyl acetate in isohexane, to give the title compound as a colourless oil (1.87 g).

Aufarbeitung

  1. additionpoured onto water (100 mL)
  2. extractionextracted with diethyl ether (2×50 mL)
  3. washThe extracts were washed with water and brine
  4. dry with materialthen dried (MgSO4)
  5. filtrationfiltered
  6. custompartially crystallized
  7. customThe crude product was purified by column chromatography
  8. washeluting with 0-100% ethyl acetate in isohexane

Quellen und Nachweise

ORD-Eintrag
ord-d10e1a88156542489a3b566f66a3ea45
Quelldatensatz
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07745475B2

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