Question

In which of the following reactions $3^{\circ }$ alcohol will be obtained as a product.

• A. $H-\stackrel{O}{\stackrel{||}{C}}-Cl\underset{\text{(excess)}}{\overset{A}{\to }}\underset{}{\overset{H^{+}}{\to }}$
  (A: cyclopropylmagnesium bromide)
• B. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-Cl\underset{\text{(excess)}}{\overset{PhMgBr}{\to }}\underset{}{\overset{H^{+}}{\to }}$
• C. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-O-\stackrel{O}{\stackrel{||}{C}}-C{H}_3\underset{\text{(excess)}}{\overset{C{H}_{3}MgBr}{\to }}\underset{}{\overset{H^{+}}{\to }}$
• D. $C{H}_3-\stackrel{O}{\stackrel{||}{C}}-O-Et\underset{\text{(excess)}}{\overset{C{H}_{3}MgBr}{\to }}\underset{}{\overset{H^{+}}{\to }}$

Answer 1

Answer: (B), (C), (D)

$C{H}_3-\stackrel{O}{\stackrel{||}{C}}-O-Et\underset{\text{(excess)}}{\overset{C{H}_{3}MgBr}{\to }}\underset{}{\overset{H^{+}}{\to }}$