Question
Sucrose linkage is ____ with respect to fructose.
Answer
Sucrose linkage is alpha
with respect to glucose and beta with respect to fructose.
Point of Confusion: Sucrose is more
accurately called a 1,2' linkage instead of 1,1' linkage as mentioned in EK book, because the anomeric carbon on
fructose is numbered 2, not 1 like glucose. So, since we are used to anomeric carbon being the 1st carbon, they named it as such but beware, fructose is unique!
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