One cannot manufacture pure open-chain glucose because glucose spontaneously cyclizes to the hemiacetal form.
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The addition of an alcohol to an aldehyde to form a hemiacetal is an example of a reaction that can be catalyzed by the presence of hydroxide.
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These are generated by bond formation between one of the hydroxyl groups of the sugar chain with the carbon of the aldehyde or keto group to form a hemiacetal bond.
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An organic compound usually formed as an intermediate product in the preparation of acetals from aldehydes or ketones
Hemiacetals and hemiketals are compounds that are derived from aldehydes and ketones respectively. The Greek word hu00E8mi means half. These compounds are formed by formal addition of an alcohol to the carbonyl group.
Any of a class of compounds of general formula R2C(OH)OR' (where R' is not H)
A compound formed by reaction of an aldehyde with an alcohol group, as in ring closure of an aldose.
Relating to organic compounds formed from an alcohol and a carbonyl-containing molecule