Monosaccharides Flashcards
Formula for Carbohydrates?
Cn(H2O)n where n is the number of Carbon chain
3 Elements contain in sugars? Except H, C, O
Nitrogen, Phosphorus, and Sulfur
What are the two units contain of sugar?
Polyhydroxy ketone and polyhydroxy aldehyde
Saccharides come from the Greek word ______ means sugar.
sakcharon
The 3 Classes of Sugars?
- Monosaccharides
- Oligosaccharides (part of Disaccharides)
- Polysaccharides
It is a simple sugars?
Monosaccharides
Structure of Fisher Projection and Haworth Projection
https://scontent.fmnl14-1.fna.fbcdn.net/v/t1.0-9/137627338_1440660849627332_3311744275518443434_o.jpg?_nc_cat=107&ccb=2&_nc_sid=8bfeb9&_nc_eui2=AeH6brTRtSDFJyZu0GnsbeyblHbFSFoeXMSUdsVIWh5cxLKj7_jXloc6XthrKQwO0qxx8jmYTj7bMY0TECXdRO9x&_nc_ohc=NdBTeNdCEAUAX-dcQZH&_nc_ht=scontent.fmnl14-1.fna&oh=71c4d122aa9daac3922e82966f8d8a25&oe=601FC9AB
It is a diastereomer that differ from each other configuration at one chiral center?
Epimer
Example of Epimer:
https://scontent.fmnl14-1.fna.fbcdn.net/v/t1.0-9/137543447_1440660789627338_5205335597772123225_o.jpg?_nc_cat=100&ccb=2&_nc_sid=8bfeb9&_nc_eui2=AeE0N6nXS9rkZ4pHiCZFIRiFfLWP6Iy83Tp8tY_ojLzdOkfqcoHJoCwa1ZfqOmX9SGS1xsdwE0UyGDL7WofeiSBj&_nc_ohc=DBApjrPT38oAX__IUPf&_nc_ht=scontent.fmnl14-1.fna&oh=1c92fee824ccc1f10a73f2b502152e00&oe=60215ABC
In Fisher Projection, if the hydroxy is in the left. What will be the position in Haworth Projection?
A. Up
B. Down
A. Up
Right side - below the ring
Left side - above the ring
What do you called the carbon that dictate if it is alpha or beta?
Anomeric carbon
In cyclization, if the O attack on the bottom of the carbon. What will be the position of hydroxy in anomeric carbon?
A. Alpha
B. Beta
B. Beta
The 8 hexoses sugars?
https://cdn.masterorganicchemistry.com/wp-content/uploads/2019/12/7-all-eight-l-sugars-drawn-in-fischer-projection.gif
