Quiz - Enols and Enolates | Enols and Enolates – Part 2

Organic Chemistry 3 - Quiz - Enols and Enolates

1

What is the product of the acid catalyzed reaction between Br2 and propanone?

2

Which organometallic reagent always results in an 1,4-addition?

Organolithium reagents (RLi): 1,2-addition
Gilman reagents (R2CuLi): 1,4-addition
Grignard reagents (RMgBr): 1,2 or 1,4-addition depending on reagent and substrate structure

3

Which of the following statements is incorrect about an enolate ion?

An enolate is a good nucleophile

4

What are the different steps of a Robinson annulation?

5

What are the 2 functional groups produced during a Michael addition?

Michael addition:

6

Which statement is correct about the reaction between a Grignard reagent and an α,β-unsaturated carbonyl?

Organolithium reagents (RLi): 1,2-addition
Gilman reagents (R2CuLi): 1,4-addition
Grignard reagents (RMgBr): 1,2 or 1,4-addition depending on reagent and substrate structure