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28. Carbohydrates

Monosaccharides - Forming Cyclic Hemiacetals

28. Carbohydrates

Monosaccharides - Forming Cyclic Hemiacetals

Multiple Choice
When monosaccharides form cyclic hemiacetals, which type of molecule is released during the linkage process?
Multiple Choice
What type of bonds are formed when monosaccharides form cyclic hemiacetals?
Multiple Choice
In the formation of a cyclic hemiacetal from a monosaccharide, what type of reaction occurs?
Multiple Choice
Where does the chemical digestion of table sugar (sucrose) begin in the human body?
Multiple Choice
Monosaccharides may link together to form polysaccharides by forming which type of bond?
Open Question
Provide the mechanism for the cyclic hemiacetal formation of the following hydroxycarbonyl.
Textbook Question
Two structures of the sugar fructose are shown next. The cyclic structure predominates in aqueous solution.
(a) Number the carbon atoms in the cyclic structure. What is the functional group at C2 in the cyclic form?
(b) Propose a mechanism for the cyclization, assuming a trace of acid is present.