Triethyl phosphite → Diethyl (4-Bromobenzyl)phosphonate

HRID 1715521Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1715521
[Br:1][C:2]1[CH:9]=[CH:8][C:5]([CH2:6]Br)=[CH:4][CH:3]=1.[P:10]([O:17]CC)([O:14][CH2:15][CH3:16])[O:11][CH2:12][CH3:13]>>[Br:1][C:2]1[CH:9]=[CH:8][C:5]([CH2:6][P:10](=[O:17])([O:14][CH2:15][CH3:16])[O:11][CH2:12][CH3:13])=[CH:4][CH:3]=1

Komponenten

3

Edukt 2

HCID 31215Triethyl phosphiteHCID 685274-Bromobenzyl bromide

Produkt 1

HCID 11077666Diethyl (4-Bromobenzyl)phosphonateAusbeute 89,5 %

Reaktionsbedingungen

Temperatur
130 °C

Versuchsvorschrift

203.6 g (815 mmol) of 4-bromobenzyl bromide and 215 ml (1.2 mol) of triethyl phosphite are mixed and heated at 130° C. for 1 h with gas discharge. The product is then subjected to fractional distillation (2×10−2 mbar, 120° C.), giving 224 g (89%) of the product as a colourless liquid.

Aufarbeitung

  1. distillationThe product is then subjected to fractional distillation (2×10−2 mbar, 120° C.)

Quellen und Nachweise

ORD-Eintrag
ord-cb0e7c1eedf84d188c7c7051d1f26aee
Quelldatensatz
uspto-grants-2010_09
Patentnummer
US07799875B2

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