Question

How many stereoisomers are obtained from the reaction of 3-methyl-2-butanone with each of the following organometallic reagents followed by the addition of dilute acid? Name each stereoisomer. ethyllithium methylmagnesium bromide

Answer 1

Hey there!

Both are examples of Nucleophilic addition reaction and gives tertiary alcohol.

1 forms 2 Enantiomers namely (3S)-2,3-dimethyl-3-pentanol and its Enantiomer.

2 forms 2,3-dimethyl-2-butanol