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Chapter 21: 29P (page 817)

Draw the products of each reaction.
a.
b.

Short Answer

Expert verified

Step by step solution

Acetal

Acetals form when “aldehydes and ketones” react with two equivalents of alcohols. A cyclic acetal forms when a diol such as ethylene glycol is used in place of two equivalents of alcohol.

Acetal formation

a. Cyclopentanone reacts with two equivalents of methanol to form an open acetal.

Product formation in reaction a.

b. Acetone reacts with ethylene glycol to form cyclic acetal.

Product formation in reaction b.

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Most popular questions from this chapter

Give the IUPAC name (including any E,Z designation) for each unsaturated aldehyde. Neral is obtained from lemon grass, and cucumber aldehyde (Problem 1.30) contributes to the aroma of a fresh mango.

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