Phosphorus tribromide → HCID 54251209, compound
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]1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
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
- custom[V; Ar is 3,4-methylenedioxyphenyl, R is H] was prepared from 11.5 g
- 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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