Arylic vs benzylic carbocation

Discussion in 'Science and Technology' started by tylerngo, Oct 16, 2018.

  1. tylerngo

    tylerngo New Member

    For the first addition reaction, when the curly arrow goes from the pi bond to the H atom, I wonder where to place the H atom as both sides of the alkene have 1H attached. I am not sure whether an arylic or benzylic carbocation is more stable.

    For the second addition reaction, there should be 2 products as the Br can attack from both top and bottom (stereoselectivity), resulting in enantiomers, right? (But when I've drawn them, I've got the R,S product only...)

    Brumer
     

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