Phosphorus tribromide → HCID 53838392, compound

HRID 426864Notes

Reaction equation

HRID 426864 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.

Sources & evidence

ORD record
ord-c38d99278ff544c8b124b732e52977fb
Source dataset
uspto-grants-1979_10
Patent number
US04171378

Reaction notes

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