Question 3. Which of the following sets of reagents would
effect the transformation below? Select all that apply.
OH
Br
PBr$_3$
A
HBr
B
1. H$_3$O$^+$, heat
2. HBr
C
1. SOCl$_2$, pyridine
2. KOtBu
3. HBr, ROOR
D
1. TsCl, pyridine
2. EtOH
3. Br$_2$, hv
E
1. TsCl, pyridine
2. KOtBu
3. HBr, ROOR
F