Water → HCID 10014874, Verbindung

HRID 488156Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 488156
[CH3:1]/[C:2](/[CH2:6][CH2:7]/[CH:8]=[C:9](\[CH3:16])/[CH2:10][CH2:11][CH:12]=[C:13]([CH3:15])[CH3:14])=[CH:3]\[CH2:4]Br.[N-:17]=[N+:18]=[N-:19].[Na+].O>CN(C=O)C>[CH3:1]/[C:2](/[CH2:6][CH2:7]/[CH:8]=[C:9](\[CH3:16])/[CH2:10][CH2:11][CH:12]=[C:13]([CH3:15])[CH3:14])=[CH:3]\[CH2:4][N:17]=[N+:18]=[N-:19]

Komponenten

5

Edukt 3

HCID 962WaterHCID 33557Sodium AzideHCID 5366048(2E,6E)-1-bromo-3,7,11-trimethyldodeca-2,6,10-triene

Produkt 1

HCID 10014874HCID 10014874, VerbindungAusbeute 92,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A mixture of (E,E)-3,7,11-trimethyl-2,6,10-dodecatrienyl bromide (1.5 g, 5.26 mmol) and sodium azide (0.68 g, 10.5 mmol) in DMF (20 mL) was stirred at room temperature for 0.5 hours, then poured into cold water and extracted with ether. The ethereal extract was washed with brine, dried, filtered and evaporated to yield a residue. Purification of the residue by flash chromatography on a silica gel column, using hexane as the eluant, afforded the title compound as an oil (1.2 g, 4.85 mmol, 92%) NMR (CDCl3): δ5.35 (H, t, J=7Hz), 5.10 (2H, m), 3.78 (2H, d, J=7Hz), 1.9-2.2 (8H, m), 1.72 (3H, s), 1.68 (3H, s) 1.60 (6H, s).

Aufarbeitung

  1. extractionextracted with ether
  2. extractionThe ethereal extract
  3. washwas washed with brine
  4. customdried
  5. filtrationfiltered
  6. customevaporated
  7. customto yield a residue
  8. customPurification of the residue by flash chromatography on a silica gel column

Quellen und Nachweise

ORD-Eintrag
ord-7a26416c469e42c98d4859eba10588b6
Quelldatensatz
uspto-grants-1994_03
Patentnummer
US05298655

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