(Solved): 2. (3 points) Consider the Grignard reaction of a ketone: \( \stackrel{\text { (1) } \mathrm{CH}_{3 ...

2. (3 points) Consider the Grignard reaction of a ketone: \( \stackrel{\text { (1) } \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{MgBr}}{\longrightarrow} \) Show the mechanism and predict the product of the reaction. 3. (5 points) Predict the major product of the following reactions. (a) (b) \( \stackrel{\left(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2}\right)_{2} \mathrm{CuLi}}{\longrightarrow} \) (c) \( \frac{\text { (1) } \mathrm{DIBAH}^{2}}{\text { (2) } \mathrm{H}_{2} \mathrm{O}} \) (d) (c) 4. (4 points) Complete the reactions of the following organic syntheses.