Exam 4: Reactions of Alkenes and Alkynes

Instructions: Predict the structure of the alkene you would use to prepare the folloiwng compounds. There may be more than one answer in some cases. -Predict:

Instructions: To answer the question(s) below, consider the following reaction: When cyclohexene reacts with chlorine in tetrachloromethane, the following dihalide is formed. -Refer to instructions. Since the two chlorine atoms add to opposite faces of the cyclohexene double bond, we say that the reaction occurs with:

Circle whichever of the following would be classified as a conjugated diene.

Predict the major organic product(s) in the reaction below. If more than one major organic product is expected, draw each one.

Instructions: Predict the products of each reaction below. Indicate regiochemistry and stereochemistry when relevant. -Predict and indicate.

Instructions: To answer the question(s) below, consider the following reaction: When cyclohexene reacts with chlorine in tetrachloromethane, the following dihalide is formed. -Refer to instructions. Provide the IUPAC name for the product of this reaction.

Predict the major organic product(s) in the reaction below. If more than one major organic product is expected, draw each one. Explain the significance of "35 $\degree$ C" and "ether" shown in the reaction.

Instructions: The reaction of 2-methylpropene with HBr in ether gives one of the two products below. Answer the following question(s) about this reaction. -Refer to instructions. Which product is the Markovnikov product?

Draw the structure of the monomer used to prepare the polymer shown below.

Alkene chemistry is dominated by what type of reaction?

What type of reactive intermediate is involved in both of the following general reaction types? 1)reaction of an alkene with Br₂ in the presence of water to give a bromohydrin 2)two-step hydroxylation of an alkene

MATCH each definition to the term it describes. Place the letter of the term in the blank to the left of the definition. -Refer to Instructions. _____Predicts that in addition of HX to alkenes, the H adds to the less substituted alkene carbon and the X adds to the more substituted alkene carbon.

Complete the following reaction

What type of reactive intermediate is formed in the reaction of an alkene with HBr to give a bromoalkane?

The product(s) of the reaction when carried out in an organic solvent would be:

What type of reaction mechanism accounts for the reaction of an alkyne with HBr to give an alkyl bromide?

Lyapolate Sodium, whose structure is shown below, is used as an anticoagulant. Identify the monomer unit(s) in lyapolate sodium.

Instructions: Predict the products of each reaction below. Indicate regiochemistry and stereochemistry when relevant. -Predict and indicate.

Instructions: Predict the products of each reaction below. Indicate regiochemistry and stereochemistry when relevant. -Predict and indicate.

What type of reaction mechanism accounts for the reaction of an alkene with HBr to give an alkyl bromide?