Phosphorus tribromide → HCID 53838392, compound

HRID 1703961Notes

Reaction equation

HRID 1703961 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][CH2:10][CH:11]([CH:13]2[CH2:15][CH2:14]2)O)=[CH:5][CH:4]=1.P(Br)(Br)[Br:17].[Br-].[Li+]>[Br-].[Zn+2].[Br-]>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([CH2:9][CH2:10][CH:11]=[CH:13][CH2:14][CH2:15][Br:17])=[CH:5][CH:4]=1

Participants

5

Reactant 3

HCID 24614Phosphorus tribromideHCID 82050Lithium BromideHCID 23455750HCID 23455750, compound

Product 1

HCID 53838392HCID 53838392, compound

Reagents, catalysts & solvents 1

HCID 10421208Zinc bromideCatalyst

Procedure

6-(4-Methoxyphenyl)-3-hexenyl bromide [V; Ar is 4-CH3OC6H4, R is H] was prepared from 38.2 g. of 2-(4-methoxyphenyl)ethyl cyclopropyl carbinol (Preparation B5), 42.5 g. of phosphorus tribromide, 35 g. of lithium bromide and 40 g. of zinc bromide according to the procedure given above in Preparation C1, affording 48 g. of product as an oil.

Workup

  1. customaffording 48 g

Sources & evidence

ORD record
ord-81ced63f30824d50a36c9e49199d9c6f
Source dataset
uspto-grants-1978_11
Patent number
US04125541

Reaction notes

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