Ch 27: Pericyclic Rxns

Question 1

Electrocyclization Rxns:

Answer 1

forms ring from single molecule

Question 2

Cycloaddition Rxns:

Answer 2

forms a ring from >1 starting molecules

Question 3

Sigmatrophic Rxns:

Answer 3

Switch position of sigma bonds

Question 4

3 considerations of pericyclic rxns

Answer 4

1) Heat vs. Light
2) # electrons involved
3) Stereochemistry

Question 5

SOMO

Answer 5

singly occupied MO

Question 6

Stereochemistry can be dictated by looking at the (HOMO/LUMO).

Answer 6

HOMO

Question 7

Stereochemistry can be dictated by looking at the (HOMO/LUMO).

Answer 7

HOMO