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Topic: alkene bromination by Cu(II)Br2 & alimina (Al2O3)  (Read 2963 times)

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Offline shrikantvarma

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alkene bromination by Cu(II)Br2 & alimina (Al2O3)
« on: October 07, 2010, 09:47:12 AM »
what is the mechanism of alkene bromination by Cu(II)Br2 & alimina (Al2O3),will i get dibromo product is this electrophillic addition??
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Offline SVXX

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Re: alkene bromination by Cu(II)Br2 & alimina (Al2O3)
« Reply #1 on: October 08, 2010, 11:23:08 AM »
My guess is that it's probably an anti addition of two bromine atoms across the double bond and alumina is a catalyst. The product would be a vic-dibromide. The most common mechanism that could be followed here is that involving a cyclic bromonium ion intermediate.
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