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The halogen dance rearrangement is an orga … The halogen dance rearrangement is an organic reaction in which a halogen substituent moves to a new position on an aromatic ring system. The reaction belongs to a class of organic reactions called 1,2-rearrangements. The original halogen dance is the base-catalysed rearrangement of 1,2,4-tribromobenzene to 1,3,5-tribromobenzene in liquid ammonia with the aniline/potassium base system. The intermediate in this reaction is an aryl carbanion. The halogen dance concept can be extended from benzene derivatives to other aromatic systems as well, for instance furan and thiophenecompounds. The halogen dance rearrangement of iodooxazoles was studied by the Stambuli Group.xazoles was studied by the Stambuli Group.
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| rdfs:comment |
The halogen dance rearrangement is an orga … The halogen dance rearrangement is an organic reaction in which a halogen substituent moves to a new position on an aromatic ring system. The reaction belongs to a class of organic reactions called 1,2-rearrangements. The original halogen dance is the base-catalysed rearrangement of 1,2,4-tribromobenzene to 1,3,5-tribromobenzene in liquid ammonia with the aniline/potassium base system. The intermediate in this reaction is an aryl carbanion. The halogen dance concept can be extended from benzene derivatives to other aromatic systems as well, for instance furan and thiophenecompounds.for instance furan and thiophenecompounds.
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| rdfs:label |
Halogen dance rearrangement
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