Q 6 (3 points) Which reaction sequences would give the compound shown as the major product?
CH$_3$
inversion
SN2
I
III
OH
PPh$_3$, DEAD, THF,
CH$_3$COOH
II
OH
1. PBr$_3$
2. CH$_3$COONa, DMF
OH
CH$_3$COOH
OH
1. TsCl, Py
2. CH$_3$COONa, DMF
Polar
aprotic
IV
a. I, II
b. I, III
c. II, IV
d. III, IV
e. II, III