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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Anonymous Annonn
wrote...
A year ago
Draw one of the stereoisomers formed in the reaction below.
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#1
Valued Member
A year ago
Hi

This should help
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Anonymous
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#2
A year ago
In first step the alkene and the NBS reacts to form a cyclic boromonium ion in the polar solvent DMSO, which can stabilize charged species.

{see attachment 1}

In step 2, the water molecule come from the bottom face of the intermediate bromonium ion and gives the trans product.

{see attachment 2}
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