Tetraethylene Glycol → HCID 131710371, compound

HRID 263269Notes

Reaction equation

HRID 263269 reaction equation
[CH2:1]([OH:13])[CH2:2][O:3][CH2:4][CH2:5][O:6][CH2:7][CH2:8][O:9][CH2:10][CH2:11][OH:12].P(Br)(Br)[Br:15]>N1C=CC=CC=1>[Br-:15].[Br-:15].[CH2:11]([OH:12])[CH2:10][O:9][CH2:8][CH2:7][O:6][CH2:5][CH2:4][O:3][CH2:2][CH2:1][OH:13]

Participants

4

Reactant 2

HCID 8200Tetraethylene GlycolHCID 24614Phosphorus tribromide

Product 1

HCID 131710371HCID 131710371, compound

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

300 g. of tetraethylene glycol and 100 g. of anhydrous pyridine are slowly added to 727 g. of phosphorus tribromide, while agitating and cooling the mixture. After cooling to room temperature, the mixture is poured on to ice and the organic phase is decanted, washed with water and dilute hydrochloric acid and dried over sodium sulphate. After distillation under vacuum (123° C.-125° C. and 0.4 mm. Hg) the title comound is obtained.

Workup

  1. temperaturecooling the mixture
  2. additionthe mixture is poured on to ice
  3. customthe organic phase is decanted
  4. washwashed with water and dilute hydrochloric acid
  5. dry with materialdried over sodium sulphate
  6. distillationAfter distillation under vacuum (123° C.-125° C. and 0.4 mm. Hg) the title comound
  7. customis obtained

Sources & evidence

ORD record
ord-8a9e175df9cb4304ad949abc9a2e514c
Source dataset
uspto-grants-1979_05
Patent number
US04156683

Reaction notes

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