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Anomeric carbon is

Option: 1

The new carbon in open chain form


Option: 2

The new carbon in cyclic form


Option: 3

The carbon that generates new chiral carbon


Option: 4

Both b and c


Answers (1)

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Isomers and Stereoisomers -

Anomers:

  • When a molecule such as glucose converts to a cyclic form, it generates a new chiral centre at C-1.
  • The carbon atom that generates the new chiral centre (C-1) is called the anomeric carbon.
  • Anomers are the epimers that differ in configuration only at the anomeric carbon.
  • For example, α-D-glucose and β-D-glucose are anomers.
  • The α form has the anomeric -OH group at C-1 on the opposite side of the ring from the CH2OH group at C-5. The β form has the anomeric -OH group on the same side as the CH2OH group.


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When a molecule such as glucose converts to a cyclic form, it generates a new chiral
centre at C-1. The carbon atom that generates the new chiral centre (C-1) is called the
anomeric carbon.

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