Draw the hemiacetal and then the acetal formed in each reaction. In each case, assume an excess of the alcohol. (a) Propanal+ methanol ->> (b) Cyclopentanone + methanol →
Draw the hemiacetal and then the acetal formed in each reaction. In each case, assume an excess of the alcohol. (a) Propanal+ methanol ->> (b) Cyclopentanone + methanol →
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:42 Draw the hemiacetal and then the acetal formed
in each reaction. In each case, assume an excess
of the alcohol.
(D)
12
(a) Propanal+ methanol →
(b) Cyclopentanone + methanol-
Drow the at
Expert Solution

Step 1: Hemiacetals and acetals
Hemiacetals are formed by the reaction between an aldehyde or a ketone and an alcohol molecule. This reaction results in the formation of a compound with a C atom having an alcohol group and an alkoxy group.
Acetals are compounds formed by the reaction between a hemiacetal and an alcohol group. This reaction results in the formation of a compound with a C atom having two alkoxy groups.
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