Exam 15: Organic Synthesis 1: Beginning Concepts

Which of the following should not be included in a synthetic scheme?

(Multiple Choice)

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Question 41

Determine the alkyl bromide and alkyne that could be used to synthesize the target molecule below.

(Short Answer)

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Question 42

Which of the following transforms would lead to a synthetic trap when carried out in the forward direction?

(Multiple Choice)

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Question 43

Which of the following would not be a reasonable precursor of the target shown below?

(Multiple Choice)

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Question 44

A student proposes the following synthesis.Explain why this reaction would not work as intended.

(Essay)

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Question 45

Write a synthetic step that shows the following: A researcher subjects 2-bromoheptane to potassium tert-butoxide with tert-butanol as the solvent.The major product of the reaction is 1-heptene.

(Short Answer)

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Question 46

Which of the following synthetic steps shows a reagent that is written incorrectly?

(Multiple Choice)

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Question 47

Determine the major product of the following reaction sequence.

(Multiple Choice)

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Question 48

Determine the missing precursor needed to synthesize the molecule below.

(Multiple Choice)

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Question 49

Show how the following could be synthesized from two different alkyl bromides.

(Short Answer)

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Question 50

Showing 41 - 50 of 50

Which of the following should not be included in a synthetic scheme?

Determine the alkyl bromide and alkyne that could be used to synthesize the target molecule below.

Which of the following transforms would lead to a synthetic trap when carried out in the forward direction?

Which of the following would not be a reasonable precursor of the target shown below?

A student proposes the following synthesis.Explain why this reaction would not work as intended.

Write a synthetic step that shows the following: A researcher subjects 2-bromoheptane to potassium tert-butoxide with tert-butanol as the solvent.The major product of the reaction is 1-heptene.

Which of the following synthetic steps shows a reagent that is written incorrectly?

Determine the major product of the following reaction sequence.

Determine the missing precursor needed to synthesize the molecule below.

Show how the following could be synthesized from two different alkyl bromides.

Atomic and Molecular Structure

Interchapter: Nomenclature 1-4

Interchapter 1molecular Orbital Theory and Chemical Reactions

Three-Dimensional Geometry,intermolecular Interactions,and Physical Properties

Orbital Interactions 1: Hybridization and Two-Center Molecular Orbitals

Isomerism 1: Conformational and Constitutional Isomers

Isomerism 2: Chirality,enantiomers,and Diastereomers

The Proton Transfer Reaction: an Introduction to Mechanisms,thermodynamics,and Charge Stability

An Overview of the Most Common Elementary Steps

An Introduction to Multistep Mechanisms: Sn1 and E1 Reactions

Nucleophilic Substitution and Elimination Reactions 1: Competition Among Sn2,sn1,e2,and E1 Reactions

Nucleophilic Substitution and Elimination Reactions 2: Reactions That Are Useful for Synthesis

Electrophilic Addition to Nonpolar Π Bonds 1: Addition of a Brønsted Acid

Electrophilic Addition to Nonpolar Π Bonds 2: Reactions Involving Cyclic Transition States

Orbital Interactions 2: Extended Π Systems,conjugation,and Aromaticity

Structure Determination 1: Ultravioletvisible and Infrared Spectroscopies

Structure Determination 2: Nuclear Magnetic Resonance Spectroscopy and Mass Spectrometry

Nucleophilic Addition to Polar Π Bonds 1: Addition of Strong Nucleophiles

Nucleophilic Addition to Polar Π Bonds 2: Addition of Weak Nucleophiles and Acid and Base Catalysis

Organic Synthesis 2: Intermediate Topics in Synthesis Design,and Useful Reduction and Oxidation Reactions

Nucleophilic Additionelimination Reactions 1: the General Mechanism Involving Strong Nucleophiles

Nucleophilic Additionelimination Reactions 2: Weak Nucleophiles

Electrophilic Aromatic Substitution 1: Substitution on Benzene; Useful Accompanying Reactions

Electrophilic Aromatic Substitution 2: Substitution on Mono- and Disubstituted Benzene and Other Aromatic Rings

The Dielsalder Reaction and Other Pericyclic Reactions

Reactions Involving Free Radicals

Polymers

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