hemiacetal


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Related to hemiacetal: Ketal

hemiacetal

[¦he·mē′as·ə‚tal]
(organic chemistry)
A class of compounds that have the grouping 〉C(OH)‒(OR) and that result from the reaction of an aldehyde and alcohol.
References in periodicals archive ?
M22, which shows the same fragments as the other 3 metabolites, is probably generated by hemiacetal formation followed by glucuronidation.
which has been attributed to formation of crosslinks by hemiacetals that may be formed by low levels of oxidants.
The primary products from the methanolysis of CS and DS were presumed to be uronic or iduronic acid-N-acetylhexosamine dimers, methylated at both the carboxylic acid and terminal hemiacetal function (24).
In aqueous solution, they occur as an equilibrium of four related molecular structures; namely the fiavylium cation, quinoidal base, hemiacetal and chalcone forms.