1. Draw the structures of the species produced by the operation of the curly arrows:

2. Write a mechanism for the following reactions. You mechanism needs to account only for the products given.

(a)

(b)

3. Write a mechanism that accounts for both products from the same intermediate species.

4. Write a mechanism.

5. Write a mechanism, being sure to account for the stereochemistry:

6. Write a mechanism:

7. Write a mechanism and explain the regioselectivity: