Phosphorus tribromide → HCID 54042329, compound

HRID 1704166Notes

Reaction equation

HRID 1704166 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-6494965c8df7411d89696c49ac795a10
Source dataset
uspto-grants-1978_11
Patent number
US04125714

Reaction notes

Loading…