21. Aldehydes and Ketones: Nucleophilic Addition

Provide the major product for the following reaction. 

Provide the major product for the following reaction dealing with the Grignard reagent. 

Provide the major product for the following reaction dealing with the Grignard reagent.

Show how you would accomplish the following synthetic 

conversions. You may use any additional reagents 

and solvents you need.

(a) <IMAGE of reaction>

Which of the following compounds does not form an alcohol when it reacts with excess Grignard reagent?

A. CH3CH2(C=O)NHCH3

B. CH3CH2(C=O)OCH3

C. HOCH2CH2(C=O)OCH3

a. How many stereoisomers are obtained from the reaction of 2-pentanone with ethylmagnesium bromide followed by the addition of dilute acid?

 Provide the major product for the following reaction dealing with the Grignard reagent.