Phosphorus tribromide → HCID 54042329, compound

HRID 426866Notes

Reaction equation

HRID 426866 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][CH2:9][CH:10]([CH:12]2[CH2:14][CH2:13]2)O)=[CH:4][CH:3]=1.P(Br)(Br)[Br:16].[Br-].[Li+]>[Br-].[Zn+2].[Br-]>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][CH2:9][CH:10]=[CH:12][CH2:13][CH2:14][Br:16])=[CH:4][CH:3]=1

Participants

5

Reactant 3

HCID 24614Phosphorus tribromideHCID 82050Lithium BromideHCID 23455733HCID 23455733, compound

Product 1

HCID 54042329HCID 54042329, compound

Reagents, catalysts & solvents 1

HCID 10421208Zinc bromideCatalyst

Procedure

6-(4-Chlorophenyl)-3-hexenyl bromide [V; Ar is 4-ClC6H4, R is H] was prepared from 21 g. of 2-(4-chlorophenyl)ethyl cyclopropyl carbinol (Preparation B7), 23 g. of phosphorus tribromide, 18.85 g. of lithium bromide and 22.5 g. of zinc bromide according to the procedure given above in Preparation C1, affording 25.5 g. of product as an oil.

Workup

  1. customaffording 25.5 g

Sources & evidence

ORD record
ord-262575792e5a4108a1e3b26eb92ee043
Source dataset
uspto-grants-1979_10
Patent number
US04171378

Reaction notes

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