Looking for classes? Ksquare Career Institute, Bengaluru →
$\alpha$-D-glucose and $\beta$-D-glucose are :
A
Epimers
B
Anomers
C
Enantiomers
D
Diastereomers
Detailed Solution
In the cyclic (pyranose) form of glucose, C-1 becomes a new chiral centre (the anomeric carbon).
$\alpha$-D-glucose and $\beta$-D-glucose differ only in the configuration of the –OH group at C-1 (below or above the ring).
Such isomers, differing only at the anomeric carbon, are called anomers.
(Epimers differ at a carbon other than the anomeric one, e.g. glucose and mannose at C-2.)
$\alpha$-D-glucose and $\beta$-D-glucose differ only in the configuration of the –OH group at C-1 (below or above the ring).
Such isomers, differing only at the anomeric carbon, are called anomers.
(Epimers differ at a carbon other than the anomeric one, e.g. glucose and mannose at C-2.)