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Structure determination

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Organic Chemistry 1 Textbook > Electrophilic Addition Reactions to Alkenes/Alkynes

Halogenation

4 Activities

Organic Chemistry 1 Textbook > Nucleophilic Substitutions and Elimination Reactions

Introduction to Elimination Reactions

2 Activities

Organic Chemistry 1 Textbook > Nucleophilic Substitutions and Elimination Reactions

Introduction to Substitution Reactions

5 Activities

A molecule A (CH3)3CH2CH2Br) was treated with aqueous NaOH to form B. Compound B was treated with H2SO4 and heated to form C. Product C was reacted with Bromine under dry conditions to yield D. Product D has four possible isomers however 2 are favoured. Draw the structures of A-D and the 2 major stereoisomers of D.
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What are the structures A-D?
More Halogenation Questions:
Halogenation & Stereochemistry
Predict the starting material of the following reaction:
Addition reaction and Stereochemistry
Fill in the gaps with appropriate reagents/products:
Halogenation & Stereochemistry
Predict the starting material of the following reaction:
Radical Reactions
A student performed a reaction with 2-methylbut-1-ene and bromine in the presence of light. Two products were formed; however, one product formed preferentially. What were the products? Which was the major product and why did it form in excess?
Reaction Mechanisms
Show the detailed mechanism of the following reaction and explain the stereochemistry:
Halogenation & Stereochemistry
Predict the starting material of the following reaction:
Addition reaction and Stereochemistry
Fill in the gaps with appropriate reagents/products:
Reaction Mechanisms: Halogenation
Predict the product(s) of the following reaction and provide a mechanism.
Radical Reactions
A student performed a reaction with 2-methylbut-1-ene and bromine in the presence of light. Two products were formed, however, one product formed preferentially. What were the products? Which was the major product and why did it form in excess?
More Introduction to Elimination Reactions Questions:
Carboxylic Acid Derivatives 2
Predict the product(s) of the following reactions.
Synthesis
Write all the steps to achieve the following synthesis (use any inorganic reagents/solvents of your choice as necessary):
Synthesis
Write all the steps to achieve the following synthesis (use any inorganic reagents/solvents of your choice as necessary):
Carboxylic Acid Derivatives 2
Predict the product(s) of the following reactions.
Carboxylic Acid Derivatives 2
Predict the product(s) of the following reactions.
Carboxylic Acid Derivatives 2
Predict the product(s) of the following reactions.
Carboxylic Acid Derivatives 2
Predict the product(s) of the following reactions
Provide the product(s) of the following reactions
Provide the products of the following reactions
Carboxylic Acid Derivatives 2
Predict the product(s) of the following reactions.
Anti Periplanarity and Cyclohexane
Predict the products in the following two reactions and explain why the second reaction is very slow:
Synthesis
Write all the steps to achieve the following synthesis (use any inorganic reagents/solvents of your choice as necessary):
Synthesis
Write all the steps to achieve the following synthesis (use any inorganic reagents/solvents of your choice as necessary):
Organic Chemistry Reactions: Provide Reagents
Provide the reagent(s) for the following transformations:
Select the major product of acid-catalyzed dehydration of the following compound?
Provide the product(s) of the following reactions
Carboxylic Acid Derivatives
Predict the products of the following reactions:
Reaction Mechanisms: Synthesis
Design two syntheses, questions 1 and 2 from the indicated starting material. In addition, you can to use any hydrocarbon with three or fewer carbon atoms, any solvents or inorganic reagents, and any organic reagents that do not contribute carbon atoms to the carbon skeleton in the product. More than one step will be required for each synthesis. Show the required reagents and the product of each step but not the mechanisms.
Fill in the blanks of the following reactions
1)
2)
Elimination Reactions
Provide the product(s) of the following reactions
Elimination reactions
Provide the products of the following reactions
More Introduction to Substitution Reactions Questions:
Predicting the Mechanism of Nucleophilic Substitution Reactions
Predict which mechanism the following reactions will follow (SN1 or SN2)
a)
b)
Provide the structures of compounds A-C in the synthetic sequence below:
Rank the following from best to worst in ability to act as a nucleophile
H2O
Cl-
Rate of SN1
Compare the rate of SN1 reactions on the following:
Rate of SN2
Compare the rate of SN2 reactions on these substrates:
Practice Question: Grignard Reactions
Predict the product(s) of the following reactions:
Reaction mechanisms
Provide the structures of compounds A-E:
Reaction mechanisms
Provide the structures of compounds A-C in the synthetic sequence below:
Provide the reagent(s) for the following reactions:
Reaction mechanisms
Provide a mechanism for the following reaction:
Provide the structures of compounds A-E:
Predicting the Mechanism of Nucleophilic Substitution Reactions
Predict which mechanism the following reactions will follow (SN1 or SN2)
a)
b)
Predict the major organic product(s) of the following reactions. Be sure to indicate stereochemistry where appropriate.
Predict the product and draw a mechanism for the reaction below. Make sure to indicate stereochemistry.
For the reaction below, predict the products and draw the mechanism for the reaction
Predict the major organic product(s) of the following reactions. Be sure to indicate stereochemistry where appropriate.
Practice: Nuclophilic Subsitution
A graduate student performs two reactions in order to make some new ethers. In the first reaction the student mixes 3-chloro-2-methylprop-1-ene and methanol and in the second the student mixes 4-chloro-2-methylbut-1-ene with methanol. The next day the student examines the reaction and finds that one has completely finished and the other is not even 10% complete. Which reaction has completely finished? Why?
Reaction Mechanisms: Synthesis
Design two syntheses, questions 1 and 2 from the indicated starting material. In addition, you can to use any hydrocarbon with three or fewer carbon atoms, any solvents or inorganic reagents, and any organic reagents that do not contribute carbon atoms to the carbon skeleton in the product. More than one step will be required for each synthesis. Show the required reagents and the product of each step but not the mechanisms.
Reaction mechanisms: Substitution reactions
Predict the product(s) of the following reaction.
Substitution reactions
The reaction below probably proceeds by what type of mechanism
Reaction Mechanisms
Use curly arrows to show the mechanisms for the following two questions.
Reaction mechanisms: Provide the product
Predict the product(s) of the following reactions:
Fill in the blanks of the following reactions
1)
2)
Provide reagents for the following reactions:
Reaction mechanisms: Predict the product
Predict the product and propose a mechanism for the following reaction:
Substitution reactions: Nucleophiles
Rank the following from best to worst in ability to act as a nucleophile
H2O (1), Cl- (2), HO- (3), I- (4)