ou have a trisaccharide with molecular formula C17H30O15. A diagram of the trisaccharide is shown below. Answer the questions and use the details below to draw the trisaccharide (picture attached): If you react the trisaccharide with Ag(NH3)OH and find that a silver film develops on your reaction vessel. How would you describe the trisaccharide based on the results of the reaction? If you alkylate the trisaccharide with methyl iodide and silver oxide and hydrolyze the trisaccharide to obtain the following alkylated monosaccharides (picture attached) Determine whether each sugar was in the furanose or pyranose form. How would you draw the trisaccharide as Haworth projections, with glycosidic bond 1 as β-1,2', glycosidic bond 2 as β-1,6', and sugar C as alpha?
Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
You have a trisaccharide with molecular formula C17H30O15. A diagram of the trisaccharide is shown below. Answer the questions and use the details below to draw the trisaccharide (picture attached):
- If you react the trisaccharide with Ag(NH3)OH and find that a silver film develops on your reaction vessel. How would you describe the trisaccharide based on the results of the reaction?
- If you alkylate the trisaccharide with methyl iodide and silver oxide and hydrolyze the trisaccharide to obtain the following alkylated monosaccharides (picture attached) Determine whether each sugar was in the furanose or pyranose form.
- How would you draw the trisaccharide as Haworth projections, with glycosidic bond 1 as β-1,2', glycosidic bond 2 as β-1,6', and sugar C as alpha?
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