Comprehansion Aldehydes and ketones react with one molecule of an alcohol to form compounds call...
Comprehansion
Aldehydes and ketones react with one molecule of an alcohol to form compounds called hemiacetals and hemiketal respectively in which there is one hydroxyl group and one ether-like group. Reaction of a hemiacetal with a second molecule of alcohol gives an acetal and a molecule of water. We study this reaction
The carbonyl group of an aldehyde or ketone
A hemiacetal (has an-CH and an-OR group to the same carbon)
An acetal (has two-OR groups to the same carbon)
Draw structural formulas for the hemicetal and acetal formed from these reagents. The stoichiometry of each reaction is given in the problem.
A.
Cyclohexanone Ethanol
B.
Cyclohexanone Ethylene glycol
C.
cis-1,2-Cyclohexanediol
Acetone
(a)
Product \( (\mathrm{P}) \) is
(b)
(c)
\( (d) \)
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