Question

Practice Problem 07.76c Identify the major and minor product(s) of the following reaction: Br i NaOEt Norden ? If there is more than one minor product, be sure to draw all of them.

(1) 07.76 c : Minor ONLY

(2) 07.76 e: Minor ONLY

(3) 07.76 f: Major and Minor

(4) 07.76 h: Minor ONLY

(5) 07.76 i: Minor ONLY

(6) 07.76 j: Minor ONLY

Answer 1

1. Less substitited alkene is minor

2. Z-alkene is minor due to steric crowd.

3. Example for E1 elimination and R alkene is major.

4. Less substitited alkene is minor

5. Less substitited alkene is minor by E2 elimination

6. Example for dehydration of alcohol and less substitited alkene is minor.

o Nao it Naott minor Etoh Minor o Minoy NAOE minor. Monor minor & Naome minor