Phosphorus tribromide → HCID 54251209, compound

HRID 839152Notes

Reaction equation

HRID 839152 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

[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.

Workup

  1. custom[V; Ar is 3,4-methylenedioxyphenyl, R is H] was prepared from 11.5 g
  2. customaffording 12.5 g

Sources & evidence

ORD record
ord-b93408f0b7da44cabdb21c3aef4915ef
Source dataset
uspto-grants-1978_06
Patent number
US04093736

Reaction notes

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