What happens in cyclization process of glucose and why is the straight form of glucose more reactive than the ring/cyclic form?

Md Ariful Islam

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Cyclization of glucose to its hemiacetal form Glucose has an aldehyde group and five hydroxyl groups. ... In the case of glucose, a 6-membered ring is thermodynamically more stable than a 5-membered ring, thus favoring the formation of a 6-membered ring over a 5-membered ring.

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