Ethyl Bromide → Diethyl 3-Bromobenzylphosphonate

Reaktionsgleichung

[Br:1][C:2]1[CH:3]=[C:4]([CH:7]=[CH:8][CH:9]=1)[CH2:5]Br.[P:10]([O:17]CC)([O:14][CH2:15][CH3:16])[O:11][CH2:12][CH3:13].C(Br)C>>[Br:1][C:2]1[CH:3]=[C:4]([CH:7]=[CH:8][CH:9]=1)[CH2:5][P:10](=[O:17])([O:14][CH2:15][CH3:16])[O:11][CH2:12][CH3:13]

Komponenten

Edukt 3

HCID 6332Ethyl Bromide

HCID 31215Triethyl phosphite

HCID 699793-Bromobenzyl bromide

Produkt 1

HCID 10979718Diethyl 3-Bromobenzylphosphonate

Versuchsvorschrift

50 g (0.2 mol) of 3-bromobenzyl bromide and 33.2 g (0.2 mol) of triethyl phosphite were heated at 140° C. for 2 hours, during which ethyl bromide was distilled off. The product was distilled over a 30 cm Vigreux column.