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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 ...
user avatar
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/...
Rahul's user avatar
  • 61
3 votes
1 answer
129 views

What do we get when we joint two α- glucoses via an α1,4 bond?

What do we get when we joint two α- glucoses via an α1,4 bond? Is it alpha maltose or beta maltose? In other words, if we cleave amylopectin with amylase (α-amylase or β-amylase), which form of ...
Blue Various's user avatar
-2 votes
1 answer
144 views

Are the anomeric hydroxy groups of α-maltose and β-maltose, axial or equatorial, respectively?

This Q&A is a continuation from the following Q&A; What do we get when we joint two α- glucoses via an α1,4 bond? More straightforwardly, the question may focus on whether the bond represented ...
Blue Various's user avatar