2,2,6-Trimethyl-5-phenyl-2H,4H-1,3-dioxin-4-one → 6-methyl-5-phenyl-3-(1,1,2,2-tetramethylpropyl)-2,3-dihydro-4H-1,3-oxazin-4-one

HRID 1648196Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1648196
[C:1]1([C:7]2[C:8](=[O:16])O[C:10](C)(C)[O:11][C:12]=2[CH3:13])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.C=[N:18][C:19]([CH3:25])([CH3:24])[C:20]([CH3:23])([CH3:22])[CH3:21]>C1(C)C(C)=CC=CC=1>[CH3:13][C:12]1[O:11][CH2:10][N:18]([C:19]([CH3:25])([CH3:24])[C:20]([CH3:23])([CH3:22])[CH3:21])[C:8](=[O:16])[C:7]=1[C:1]1[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

Komponenten

4

Edukt 2

HCID 131570242,2,6-Trimethyl-5-phenyl-2H,4H-1,3-dioxin-4-oneHCID 19918950N-methylene-1,1,2,2-tetramethylpropylamine

Produkt 1

HCID 199189556-methyl-5-phenyl-3-(1,1,2,2-tetramethylpropyl)-2,3-dihydro-4H-1,3-oxazin-4-oneAusbeute 46,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 7237O-XyleneLösungsmittel

Versuchsvorschrift

A mixture of 5-phenyl-2,2,6-trimethyl-2h,4h-1,3-dioxin-4-one (0.65 g), N-methylene-1,1,2,2-tetramethylpropylamine (0.54 g) and xylene (2 ml) was heated at reflux for 30 minutes for reaction. The reaction mixture was purified by silica gel chromatography to obtain the captioned compound (0.40 g).

Aufarbeitung

  1. temperaturewas heated
  2. temperatureat reflux for 30 minutes for reaction
  3. customThe reaction mixture was purified by silica gel chromatography

Quellen und Nachweise

ORD-Eintrag
ord-138763b0d79946bead6d76574318ce58
Quelldatensatz
uspto-grants-1995_07
Patentnummer
US05436224

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