Question 1

Predict the major product for the following reaction.

Accepted Answer

The answer of Predict the major product for the following...

Question 2

Predict the product when cyclohexanone reacts with aqueous sodium hydroxide at 100°C.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 3

Explain why CH3ONa should not be used for Claisen condensation of ethylbutanoate.

Accepted Answer

Use of CH₃ONa will re

Question 4

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. (CH₃CH₂)₂C

Question 5

Provide the reactants necessary to prepare the following compound using Robinson annulation.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 6

Predict the major product for the following reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 7

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. PCC/CH₂C

Question 8

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. HOCH₂CH₂O

Question 9

Predict the product for the following reaction sequence.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 10

Predict the final product for the following reaction sequence.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 11

Predict the product for the following reaction sequence.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 12

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. (CH₃CH₂)₂C

Question 13

Predict the product for the following reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 14

Using 1-propanol as your only source of carbon and using any other reagents of your choice provide a stepwise synthesis for the following conversion.

Accepted Answer

@#IMG-DLM&_TB4454_00

Question 15

Provide the structure of the reactant (X) necessary to carry out the following conversion.

Accepted Answer

The answer of Provide the structure of the reactant (X)...

Question 16

Predict the major product for the following reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 17

Provide both resonance structures of the enolate formed when the following ester is treated with a base.

Accepted Answer

The answer of Provide both resonance structures of the enolate...

Question 18

Predict the product for the following reaction sequence.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 19

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

1. NaOCH₂CH

Question 20

Which one of the following is a major product in a Claisen condensation?

Accepted Answer

A) ($\alpha$-keto ester) 
B)  ($\beta$-keto ester) 
C)  ($\beta$-hydroxy ester) 
D) ( $\gamma$-hydroxyester) 
E)  ($\beta$-diketone) 
A) ($\alpha$-keto ester) 
B)  ($\beta$-keto ester) 
C)  ($\beta$-hydroxy ester) 
D) ( $\gamma$-hydroxyester) 
E)  ($\beta$-diketone)

Exam 21: Alpha Carbon Chemistry: Enols and Enolates

Predict the major product for the following reaction.

Predict the product when cyclohexanone reacts with aqueous sodium hydroxide at 100°C.

Explain why CH3ONa should not be used for Claisen condensation of ethylbutanoate.

Provide the reagents necessary to carry out the following conversion.

Provide the reactants necessary to prepare the following compound using Robinson annulation.

Predict the major product for the following reaction.

Provide the reagents necessary to carry out the following conversion.

Provide the reagents necessary to carry out the following conversion.

Predict the product for the following reaction sequence.

Predict the final product for the following reaction sequence.

Predict the product for the following reaction sequence.

Provide the reagents necessary to carry out the following conversion.

Predict the product for the following reaction.

Using 1-propanol as your only source of carbon and using any other reagents of your choice provide a stepwise synthesis for the following conversion.

Provide the structure of the reactant (X) necessary to carry out the following conversion.

Predict the major product for the following reaction.

Provide both resonance structures of the enolate formed when the following ester is treated with a base.

Predict the product for the following reaction sequence.

Provide the reagents necessary to carry out the following conversion.

Which one of the following is a major product in a Claisen condensation?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Predict the product when cyclohexanone reacts with aqueous sodium hydroxide at 100^°C.

Explain why CH₃ONa should not be used for Claisen condensation of ethylbutanoate.