Organic Chemistry II

Professor Carl C. Wamser

Chem 335 - Winter 2008

Quiz 11

1.  (3 points)  Complete each of the following by adding the expected major product.

a)

b)

c)


2.  (2 points)  Show the expected pattern of energy levels for the pi molecular orbitals of benzene, including an indication of how many electrons would be expected in each orbital.  Do the same for the MOs of cyclobutadiene.


3.  (5 points)  The cation shown below is one of the resonance forms for a benzylic carbocation.  Show all the other resonance forms for this cation and illustrate how it might be formed as an intermediate in an SN1 reaction.