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(1) What product would be formed when D-...

(1) What product would be formed when D-Glucose is treated with `HIO_(4)` ?
(2) D-Threose
Why epimers formed are in unequal amounts?

Text Solution

Verified by Experts

(1) In glucose five C-C bonds need to be cleaved by `HIO_(4)`. Therefore five moles of `HIO_(4)` is consumed.

Net result is that carbon chain is increased by one. The presence of stereocentre in sugars causes their C=O groups to have diastereopic faces that reacts at different rates, giving different amounts of diastereocomers.
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