Methacryloyl chloride → 5,5,5-Trifluoro-4-hydroxy-4-(trifluoromethyl)pentan-2-yl methacrylate

HRID 720802

Reaktionsgleichung

Reaktionsgleichung von HRID 720802
[C:1]([O-:6])(=[O:5])[C:2]([CH3:4])=[CH2:3].[F:7][C:8]([F:20])([F:19])[C:9]([C:15]([F:18])([F:17])[F:16])([OH:14])[CH2:10][CH:11](O)[CH3:12].C([Li])CCC.C(Cl)(=O)C(C)=C>>[C:1]([O:6][CH:11]([CH3:12])[CH2:10][C:9]([C:8]([F:7])([F:19])[F:20])([OH:14])[C:15]([F:16])([F:18])[F:17])(=[O:5])[C:2]([CH3:4])=[CH2:3]

Komponenten

5

Edukt 4

HCID 13528Methacryloyl chlorideHCID 87595MethacrylateHCID 1181911,1,1-Trifluoro-2-(trifluoromethyl)-2,4-pentanediolHCID 178418339Butyllithium

Produkt 1

HCID 160501385,5,5-Trifluoro-4-hydroxy-4-(trifluoromethyl)pentan-2-yl methacrylate

Versuchsvorschrift

The title compound was prepared in the same fashion as the above described methacrylate using 142 g (0.63 mol) of 1,1,1-trifluoro-2-trifluoromethyl-2,4-pentanediol, 793 mL (1.27 mol) of n-butyllithium (1.6 M in hexane) and 73 g (0.69 mol) of methacryloyl chloride to yield, after distillation at 67° C. at 1.0 mm Hg, 142 g (76%) of the 2° methacrylate as a clear, colorless oil.

Aufarbeitung

  1. customto yield
  2. distillationafter distillation at 67° C. at 1.0 mm Hg, 142 g (76%) of the 2° methacrylate as a clear, colorless oil

Quellen und Nachweise

ORD-Eintrag
ord-c60a7d4659984f9bbb8d0556806e196d
Quelldatensatz
uspto-grants-2006_11
Patentnummer
US07135595B2

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