acetal

Introduction

Product of addition of 2 moles of alcohol to 1 mole of aldehyde. In the case of a carbohydrate, one of the alcohol groups is provided by a hydroxyl group on the carbohydrate itself to form a 5 or six-membered ring (for example, see glucose moiety of sucrose).

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 -C-OR
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  OR

More general terms

• covalent bond