Question 1
Identify the reagents necessary to carry out the following transformation.
◦ 1. H
2, Pd/C
◦ 1. SOCl
2/pyridine; 2. Mg in ether; 3. H
2O; 4. (CH
3)
3COK
◦ 1. PBr
3; 2. (CH
3)
3COK
◦ 1. Br
2,
hν; 2. (CH
3)
3COK; 3. NBS, heat; 4. (CH
3)
3COK
◦ 1. (CH
3)
3COK; 2. NBS, heat; 3. (CH
3)
3COK
Question 2
Which of the following indicated C–C bonds is the shortest?
◦ I
◦ II
◦ III
◦ IV
◦ V