Carb-36. Disaccharides

A disaccharide is a compound in which two monosaccharide units are joined by a 

2-Carb-36.2. Disaccharides without a free hemiacetal group 

Disaccharides which can be regarded as formed by reaction of the two glycosidic (anomeric) hydroxy groups with one another are named, systematically, as glycosyl glycosides. The parent (cited as the glycoside component) is chosen according to 2-Carb-2.1. Both anomeric descriptors must be included in the name. 

Such disaccharides are also known as non-reducing disaccharides. 

If derivatives are named on the basis of the trivial name, the component cited first in the systematic name receives primed locants. 

---

Carb-36.3. Disaccharides with a free hemiacetal group... 

Figure 3.215 Isocratic separation of sugar alcohols, anhydrosugars, and mono- and disaccharides. Separator column Metrosep Carb 2 column dimensions 150 mm x 4 mm i.d. column temperature 45 °C eluent lOmmol/L NaOH flow rate 1 mL/min detection pulsed amperometry on a gold working electrode Injection volume lOOpL peaks 0.64 mg/L...

---