Phosphorus tribromide → HCID 54251209, compound

HRID 1703958Notes

Reaction equation

HRID 1703958 reaction equation
[CH2:1]1[O:9][C:8]2[CH:7]=[CH:6][C:5]([CH2:10][CH2:11][CH:12]([CH:14]3[CH2:16][CH2:15]3)O)=[CH:4][C:3]=2[O:2]1.P(Br)(Br)[Br:18].[Br-].[Li+]>[Br-].[Zn+2].[Br-]>[CH2:1]1[O:9][C:8]2[CH:7]=[CH:6][C:5]([CH2:10][CH2:11][CH:12]=[CH:14][CH2:15][CH2:16][Br:18])=[CH:4][C:3]=2[O:2]1

Participants

5

Reactant 3

HCID 24614Phosphorus tribromideHCID 82050Lithium BromideHCID 23455710HCID 23455710, compound

Product 1

HCID 54251209HCID 54251209, compound

Reagents, catalysts & solvents 1

HCID 10421208Zinc bromideCatalyst

Procedure

6-(3,4-Methylenedioxyphenyl)-3-hexenyl bromide [V; Ar is 3,4-methylenedioxyphenyl, R is H] was prepared from 11.5 g. of 2-(3,4-methylenedioxyphenyl)ethyl cyclopropyl carbinol (Preparation B2), 12 g. of phosphorus tribromide, 10 g. of lithium bromide and 12.7 g. of zinc bromide according to the procedure given above in Preparation C1,affording 12.5 g. of product as an oil.

Sources & evidence

ORD record
ord-eafd8164b31b462e912fe37d0f2b59ef
Source dataset
uspto-grants-1978_11
Patent number
US04125541

Reaction notes

Loading…