Solved

How Would You Synthesize the Following Compound Starting with Optically $+\mathrm{TsCl}$

Question 9

Multiple Choice

How would you synthesize the following compound starting with optically pure (R) or (S) -2-butanol?
$How would you synthesize the following compound starting with optically pure (R) or (S) -2-butanol? A) (1) (R) -2-butanol +\mathrm{TsCl} (2) NaCN/DMSO B) (1) (S) -2-butanol + TsCl (2) NaCN/DMSO C) (1) (S) -2-butanol +\mathrm{H}_{2} \mathrm{SO}_{4} (heat) (2) \mathrm{HBr} (3) NaCN/DMSO D) (R) -2-butanol + NaCN/DMSO$

A) (1) (R) -2-butanol $+\mathrm{TsCl}$ (2) NaCN/DMSO
B) (1) (S) -2-butanol + TsCl (2) NaCN/DMSO
C) (1) (S) -2-butanol $+\mathrm{H}_{2} \mathrm{SO}_{4}$ (heat) (2) $\mathrm{HBr}$ (3) NaCN/DMSO
D) (R) -2-butanol + NaCN/DMSO