All Questions
Tagged with biochemistry stereochemistry
20
questions
1
vote
1
answer
3k
views
Correct way of drawing D-configuration with this stereochemistry?
Hello! I have completely memorized how to draw all 20 amino acids in the way seen in the picture (middle, between the "ball-and-stick" and fisher projection)
By my understanding this is in the L ...
4
votes
1
answer
1k
views
l- versus d-glucose
I recently purchased Dextrose from a local bulkfood store. I want to use it instead of table sugar. My concern is that it may be l-glucose instead of d-glucose. According to Wikipedia l-glucose is too ...
3
votes
2
answers
5k
views
Are all anomers diastereomers?
I am told that all anomers are diastereomers. I think this is BS. If there is a carbohydrate with only one chiral center, then changing the configuration of the anomeric carbon gives us enantiomers.
...
6
votes
2
answers
46k
views
How do we assign alpha/beta status in polysaccharides?
In polysachharides like sucrose or any other disachhaharides, how is it that we assign whether the glycosidic bond is alpha/beta ?
For example the images here: http://forums.studentdoctor.net/...
21
votes
3
answers
3k
views
What are known examples of drugs that racemize/stereoconvert in vivo, and how are they converted?
It is known that although only the (S)-enantiomer of the infamous sedative thalidomide possesses teratogenic properties, it is not very useful to administer the pure (R)-enantiomer since it is ...