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OH
OH
OH
O
OH
OH
O
O
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
α−D-glucopyranose
α−D-mannopyranose
β−D-galactopyranose
OH
OH
OH
OH
O
O
HO
O
HO
OH
HO
HO
HO
OH
OH
OH
OH
FIGURE 5.3
Examples of some pyranose forms of hexose sugars.
6g
g
HOH
2
C
O
HO
HO
4g
5g
2g
3g
1g
OH
OH
6f
R =
O
CH
2
OH
1f
O
OH
2f
6f, 6g
5f
4f
CH
2
OH
4f3f
f
OH
1f
2g
4f
4f3f
1g
5g
5f
3g
4g
FIGURE 5.4
Chemical structure and
1
H NMR spectrum of sucrose with chemical
assignments.
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