Organic Chemistry
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Indicate which bonds are broken and which bonds are formed during the following reaction. Also, show whether each of the bonds that are broken or formed is a σ bond or a π bond.
Draw the product of the reaction given below.
Provide the mechanism for the reaction below:
Draw the structure of cyclopentanone diethyl acetal.
Draw the structure of the product formed when 1-cyclopentylpropan-1-one reacts with excess ethanol and acid.
Provide the structure of the product formed when 2-cyclopentylacetaldehyde reacts with methanol and acid.
(i) What is the functional group present in the following compound?
(ii) What are the products of its complete hydrolysis?
Acetals are formed by the reaction of an alcohol with a ketone. The following reaction shows the hydrolysis of an acetal. What is the mechanism for this reaction?
(i) Determine the functional group present in the compound shown below.
(ii) Determine the product of its complete hydrolysis.
Simple aminoacetals are hydrolyzed by dilute acids. What is the mechanism for the aminoacetal hydrolysis shown below?
Dioxepane has three isomers: 1,2-dioxepane, 1,3-dioxepane, and 1,4-dioxepane. Identify which dioxepane could act as an ordinary ether and is excellent for Grignard reactions, which could be potentially explosive when heated, and which could quickly hydrolyze in diluted acid.
Dioxepane has three isomers: 1,2-dioxepane, 1,3-dioxepane, and 1,4-dioxepane. One isomer would quickly hydrolyze in dilute acid. Propose a mechanism for the acid hydrolysis of the isomer.
Identify the given compound as one of the following:
Identify the missing products.
Explain why the ketal shown below does not undergo the mechanism of acid-catalyzed ketal hydrolysis. (Hint: Write the reaction mechanism like the reaction would occur and analyze the intermediates formed.)
Ketones, when catalyzed by hydroxide ions, can undergo a hydration reaction. Propose the mechanism of the hydration of ketones.