IUPAC definition : Ketonic parent sugars (polyhydroxyketones H–[CHOH] sub i n /i /sub –C( O)[CHOH]
sub i m /i /sub –H with three or more carbon atoms) and their intramolecular hemiacetals.
The oxo group is usually at C-2. E.g. d-fructose:;
Ketonic parent sugars (polyhydroxyketones H–[CHOH] sub i n /i /sub –C( O)[CHOH]
sub i m /i /sub –H with three or more carbon atoms) and their intramolecular hemiacetals.
The oxo group is usually at C-2. E.g. d-fructose: