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Tetrahydrofuran → 2-Methyl-2-(4-{2-[2-(2,2,2-trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-propan-1-ol

HRID 1190531
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1190531
[CH3:1][C:2]([N:7]1[CH:11]=[C:10]([C:12]2[CH:35]=[CH:34][C:15]3[C:16]4[N:17]=[C:18]([C:24]5[N:25]([CH2:29][C:30]([F:33])([F:32])[F:31])[N:26]=[CH:27][N:28]=5)[S:19][C:20]=4[CH2:21][CH2:22][O:23][C:14]=3[CH:13]=2)[CH:9]=[N:8]1)([CH3:6])[C:3](O)=[O:4].O1CCCC1.[AlH4-].[Li+]>>[CH3:6][C:2]([N:7]1[CH:11]=[C:10]([C:12]2[CH:35]=[CH:34][C:15]3[C:16]4[N:17]=[C:18]([C:24]5[N:25]([CH2:29][C:30]([F:31])([F:33])[F:32])[N:26]=[CH:27][N:28]=5)[S:19][C:20]=4[CH2:21][CH2:22][O:23][C:14]=3[CH:13]=2)[CH:9]=[N:8]1)([CH3:1])[CH2:3][OH:4]
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Komponenten

4

Edukt 3

HCID 8028TetrahydrofuranHCID 28112Lithium aluminum hydrideHCID 670506022-Methyl-2-(4-{2-[2-(2,2,2-trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-propionic acid

Produkt 1

HCID 582041702-Methyl-2-(4-{2-[2-(2,2,2-trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-propan-1-olAusbeute 14,6 %

Versuchsvorschrift

2-Methyl-2-(4-{2-[2-(2,2,2-trifluoro-ethyl)-2H-[1,2,4]triazol-3-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl}-pyrazol-1-yl)-propionic acid (0.250 g, 0.000496 mol) in dry tetrahydrofuran (1.0 mL, 0.012 mol) cooled to 0° C. Lithium tetrahydroaluminate (1M solution in THF, 1.0 mL, 0.0010 mol), was added dropwise at 0° C. and the mixture was allowed to warm to room temperature and stirred for 2 h. The reaction was quenched with saturated Na2SO4 until no more hydrogen evolution was observed. MgSO4 was added and the solution was filtered and rinsed with copious amounts of methylene chloride. The solvent was removed in vacuo and the crude material was purified by reverse-phase HPLC to give 332 (35.4 mg) as a colorless solid. MS (ESI+) 491.1.

Aufarbeitung

  1. customThe reaction was quenched with saturated Na2SO4 until no more hydrogen evolution
  2. additionMgSO4 was added
  3. filtrationthe solution was filtered
  4. washrinsed with copious amounts of methylene chloride
  5. customThe solvent was removed in vacuo
  6. customthe crude material was purified by reverse-phase HPLC

Quellen und Nachweise

ORD-Eintrag
ord-4057bedff4364afe8c47686572e7b09f
Quelldatensatz
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08673952B2

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