Réaction #1914823

ord-9ec26ff946fb408c8040ec0aec546dd7

Équation de réaction

O=C(O)CCCCCCCCCCCCCCCO
16-hydroxyhexadecanoic acid
Br
HBr
O=C(O)CCCCCCCCCCCCCCCBr
desired product
Rendement 99.0%
O=C(O)CCCCCCCCCCCCCCCBr
16-Bromohexadecanoic acid
Rendement 99.0%

Réactifs

Aucun

Solvants

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    Autre16-Bromohexadecanoic acid was prepared
  2. 2
    TempératureUpon cooling
  3. 3
    FiltrationIt was filtered out
  4. 4
    Lavagewashed with 3×100 ml of cold water
  5. 5
    AutreMaterial was purified by recrystalization from n-hexane
  6. 6
    Filtrationfiltered out
  7. 7
    Autredried on high vacuum

Mode opératoire

16-Bromohexadecanoic acid was prepared by refluxing for 48 hrs 5.0 gr (18.35 mmole) of 16-hydroxyhexadecanoic acid in 24 ml of 1:1 v/v mixture of HBr (48% aqueous solution) and glacial acetic acid. Upon cooling, crude product was solidified inside the reaction vessel. It was filtered out and washed with 3×100 ml of cold water. Material was purified by recrystalization from n-hexane, filtered out and dried on high vacuum. 6.1 gr (99% yield) of the desired product were obtained.

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US07056669B2uspto-grants-2006_06