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- May 25, 2008
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Hey, I just got worked over on a TBR passage dedicated to D/L and Carbohydrate linkage. So i've scoured the boards and my books, and still not sure If I understand everything....
1.) D is when the highest number stereocenter carbon has the hydroxyl pointing right, and L is the opposite... but I want to double check one thing.
When the sugar is in ring form can I just simply see if the absolute configuration of the corresponding carbon in the ring structure is R or S to determine if its D(R) or L(S)
2) linkage. I was a little thrown off but.
For linkage do we just consider the sugar of whose oxygen is bound to the anomeric carbon that is doing the linking? So if that hydroxyl group is lets say Alpha, then the link will then be Alpha 1,4 or 1,2 etc....
I spent entirely way too long looking at this today, and just want to know if I can put it to rest.
1.) D is when the highest number stereocenter carbon has the hydroxyl pointing right, and L is the opposite... but I want to double check one thing.
When the sugar is in ring form can I just simply see if the absolute configuration of the corresponding carbon in the ring structure is R or S to determine if its D(R) or L(S)
2) linkage. I was a little thrown off but.
For linkage do we just consider the sugar of whose oxygen is bound to the anomeric carbon that is doing the linking? So if that hydroxyl group is lets say Alpha, then the link will then be Alpha 1,4 or 1,2 etc....
I spent entirely way too long looking at this today, and just want to know if I can put it to rest.