In the lower-energy chair conformation of the major beta anomer of glucopyranose, all of the hydroxyl groups are in the equatorial position, but in the minor alpha anomer one hydroxyl group is forced ...In the lower-energy chair conformation of the major beta anomer of glucopyranose, all of the hydroxyl groups are in the equatorial position, but in the minor alpha anomer one hydroxyl group is forced into the axial position.