CH. 19 Flashcards by Haley Wyrick | Brainscape

Q

What is the product of the following reaction?

A

ketone –> alkene

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Q

What is the product of the following reaction?

A

catalytic hydrogenation

ketone or aldehyde –> alcohol

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Q

What is the product of the following reaction?

A

Oxidation

Primary alcohol –> carboxylic acid

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Q

What is the product of the following reaction?

A

Oxidation

Secondary alcohol –> ketone

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Q

What is the product of the following reaction?

A

Oxidation

secondary alcohol –> ketone

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Q

What is the product of the following reaction?

A

Oxidation

primary alcohol –> aldehyde

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Q

What is the product of the following reaction?

A

Clemmenson Reduction

ketone or aldehyde –> alkane

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Q

What is the product of the following reaction?

A

Raney-Nickel Reduction

ketone or aldehyde –> alkane

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Q

What is the product of the following reaction?

A

Catalytic Hydrogenation

alkene –> alkane

ALWAYS SYN ADDN

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Q

What is the product of the following reaction?

A

Catalytic Hydrogenation; poisoned catalyst

Alkyne –> cis-alkene

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Q

what is an oxidation reaction

A

losing electrons, carbon losing bonds to less electronegative atoms, and gaining bonds with more electroneg atoms

gaining O, O₂

losing H₂

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Q

what is a reduction reaction

A

Carbon gaining bonds to less electroneg atoms and losing bonds to more electroneg atoms

gaining H₂

losing O, O₂

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Q

What is the product of the following reaction?

A

Suzuki Coupling

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Q

What is the product of the following reaction?

A

Heck Coupling

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Q

What is the product of the following reaction?

A

Alkene Metathesis Cross

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Q

What is the product of the following reaction?

A

Alkene Metathesis Ring Closing

Q

What is the name of this functional group?

A

an Imine

Q

What is the name of this functional group?

A

Hydrazone

Q

What is the name of this functional group?

A

Oxime

Q

What reagents can you use for reductive amination?

A

NaBH₄

or

NaBH₃CN

Q

What is the name of this aldol condensation product?

A

Q

What is the name of the mechanism that is the only acception for OH as a leaving group?

A

E1cb

Q

does low heat favor the beta-hydroxy aldehyde compound in aldol condensations or the alpha-beta-unsaturated aldehyde?

A

low heat favors the beta-hydroxy aldehyde compound

Q

does heat favor the beta-hydroxy aldehyde compound in aldol condensations or the alpha-beta-unsaturated aldehyde?

A

heat favors the alpha-beta-unsaturated aldehyde

Q

What is the name of this aldol condensation product?

A

Q

How do you improve selectivity of crossed aldol reactions?

A

use a very strong base (ex: LDA)

or

no alpha H’s present

Q

Is this aldol condensation kinetic or thermodynamic?

A

thermodynamic

the proton transfer is reversible

Q

Is this aldol condensation kinetic or thermodynamic?

A

kinetic

proton transfer not reversible

Q

where on this molecule does NaOH favor deprotonation?

A

Q

where on this molecule does LDA favor deprotonation?

A

Q

What type of rings is an intramoleular aldol reaction successful for?

Why are other rings not favorable?

A

5 or 6 membered rings are successful

other rings not successfull due to relative instability

Q

for this starting material in a intramolecular aldol reactions, which site is preferred to act as the electrophile?

Which site is preferred to act as the enolate?

A