Reaktion #323833

Reaktionsgleichung

3-amino acetophenone

triethylamine

triphenylphosphine dibromide

→

title compound

Ausbeute 70.9%

3-Acetylphenyliminotriphenyl phosphorane

Ausbeute 70.9%

Lösungsmittel

carbon tetrachloride

carbon tetrachloride

Reaktionsbedingungen

Aufarbeitung

1. 1
   TemperaturAfter 20 minutes of refluxing
2. 2
   Filtrationthe mixture was filtered
3. 3
   Sonstigeevaporated to dryness
4. 4
   workup.ADDITIONThe residual solid was treated with isopropanol
5. 5
   Filtrationfiltered
6. 6
   Sonstigedried

Vorschrift

A mixture of 67.6 gm of 3-amino acetophenone, 101.2 gm of triethylamine and 100 ml of carbon tetrachloride was added to a stirred suspension of 211 gm of triphenylphosphine dibromide in 1700 ml of carbon tetrachloride. After 20 minutes of refluxing, the mixture was filtered and evaporated to dryness. The residual solid was treated with isopropanol, filtered and dried, yielding 140.2 gm of the title compound, m.p. 135°-136° C.

Quelle