Water → 3-[3-Fluoro-4-(3-methyl-1,2,4-triazol-1-yl)phenyl]-5-(azidomethyl)oxazolidin-2-one

HRID 1452578Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1452578
[F:1][C:2]1[CH:3]=[C:4]([N:14]2[CH2:18][C@H:17]([CH2:19]S(C)(=O)=O)[O:16][C:15]2=[O:24])[CH:5]=[CH:6][C:7]=1[N:8]1[CH:12]=[N:11][C:10]([CH3:13])=[N:9]1.[N-:25]=[N+:26]=[N-:27].[Na+].O>CN(C)C=O.C1OCCOCCOCCOCCOCCOC1>[F:1][C:2]1[CH:3]=[C:4]([N:14]2[CH2:18][CH:17]([CH2:19][N:25]=[N+:26]=[N-:27])[O:16][C:15]2=[O:24])[CH:5]=[CH:6][C:7]=1[N:8]1[CH:12]=[N:11][C:10]([CH3:13])=[N:9]1

Komponenten

6

Edukt 3

HCID 962WaterHCID 33557Sodium AzideHCID 68877351(5R)-3-[3-Fluoro-4-(3-methyl-1,2,4-triazol-1-yl)phenyl]-5-[(methanesulfonyl)methyl]-oxazolidin-2-one2×

Produkt 1

HCID 765562153-[3-Fluoro-4-(3-methyl-1,2,4-triazol-1-yl)phenyl]-5-(azidomethyl)oxazolidin-2-oneAusbeute 79,3 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 2855718-Crown-6KatalysatorHCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

(5R)-3-[3-Fluoro-4-(3-methyl-1,2,4-triazol-1-yl)phenyl]-5-[(methanesulfonyl)methyl]-oxazolidin-2-one (Intermediate 24a) (5.432 g, 14.7 mmol), sodium azide (1.092 g, 16.6 mmol), and 18-crown-6 (0.069 g, 0.26 mmol) in dimethylformamide (15 mL) were heated to 90° C. for 3.75 hours. The reaction mixture was poured into water (200 ml) and extracted with dichloromethane (3×100 ml). The combined organic layers were washed once with brine, dried over MgSO4 and concentrated under vacuum. Chromatography on silica gel with 5% methanol in dichloromethane gave the title compound (3.7 g) as a colourless solid.

Aufarbeitung

  1. extractionextracted with dichloromethane (3×100 ml)
  2. washThe combined organic layers were washed once with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated under vacuum

Quellen und Nachweise

ORD-Eintrag
ord-685241c2ac7343fdb5079ceb6d0b70c4
Quelldatensatz
uspto-grants-2009_01
Patentnummer
US07473699B2

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