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Sodium Azide → [[3-[3,5-Difluoro-4-[4-(tert-butoxycarbonyl)-1-piperazinyl]phenyl]-2-oxo-5-oxazolidinyl]methyl]azide

HRID 1940652
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1940652
[F:1][C:2]1[CH:3]=[C:4]([N:22]2[CH2:26][CH:25]([CH2:27]OS(C3C=CC(C)=CC=3)(=O)=O)[O:24][C:23]2=[O:39])[CH:5]=[C:6]([F:21])[C:7]=1[N:8]1[CH2:13][CH2:12][N:11]([C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[CH2:10][CH2:9]1.[N-:40]=[N+:41]=[N-:42].[Na+].CCOC(C)=O.CCCCCC>CN(C=O)C.CCOC(C)=O>[F:21][C:6]1[CH:5]=[C:4]([N:22]2[CH2:26][CH:25]([CH2:27][N:40]=[N+:41]=[N-:42])[O:24][C:23]2=[O:39])[CH:3]=[C:2]([F:1])[C:7]=1[N:8]1[CH2:9][CH2:10][N:11]([C:14]([O:16][C:17]([CH3:20])([CH3:18])[CH3:19])=[O:15])[CH2:12][CH2:13]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 3

HCID 33557Sodium AzideHCID 21226206Ethyl acetate hexaneHCID 86749743[[3-[3,5-Difluoro-4-[4-(tert-butoxycarbonyl)-1-piperazinyl]phenyl]-2-oxo-5-oxazolidinyl]methyl]-p-toluenesulfonate

Produkt 1

HCID 54095168[[3-[3,5-Difluoro-4-[4-(tert-butoxycarbonyl)-1-piperazinyl]phenyl]-2-oxo-5-oxazolidinyl]methyl]azideAusbeute 98,3 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228
Dimethylformamide
Lösungsmittel
HCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

The [[3-[3,5-difluoro-4-[4-(tert-butoxycarbonyl)-1-piperazinyl]phenyl]-2-oxo-5-oxazolidinyl]methyl]-p-toluenesulfonate (29.661 g, 52 mmol) was dissolved in dry DMF (125 mL) and then treated with solid NaN3 (10.19 g, 156 mmol) at room temperature. The reaction was heated to 60° C. for three hours and then allowed to cool to room temperature overnight under N2. The reaction was found to he complete by TLC (30% EtOAc/hexane, run twice, UV short wave). The reaction mixture was concentrated in vacuo to give a cream colored solid. The crude product was dissolved in 600 mL EtOAc and then washed with both H2O (2×500 mL) and brine (500 mL). The aqueous portions were back-extracted with more EtOAc (2×400 mL). The combined organic extracts were dried over Na2SO4, filtered and concentrated in vacuo to yield 22.41 g (91%) of the title compound as a pale yellow solid with mp 115°-117° C.

Aufarbeitung

  1. temperatureto cool to room temperature overnight under N2
  2. concentrationThe reaction mixture was concentrated in vacuo
  3. customto give a cream colored solid
  4. washwashed with both H2O (2×500 mL) and brine (500 mL)
  5. extractionThe aqueous portions were back-extracted with more EtOAc (2×400 mL)
  6. dry with materialThe combined organic extracts were dried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-4e5b1e2439a9476e81ccb604e9d6a083
Quelldatensatz
uspto-grants-1997_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05700799

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