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CH1012
MONOSACCHARIDES
• Monosaccharides
Polyhydroxy aldehydes or ketones
Polyhydroxy aldehydes or ketones
• May be classed as
:
aldoses - aldehyde func. group
ketoses - ketone func. group
hexose (C6) :
glucose (blood), C6H12O6
fructose (honey)
glucose (blood), C6H12O6
fructose (honey)
• In solution D-glucose
exists in two cyclised
forms called a-D- and
b-D-glucopyranose.
Pyranose indicates a six membered ring.
These rings exist in chair forms.
exists in two cyclised
forms called a-D- and
b-D-glucopyranose.
Pyranose indicates a six membered ring.
These rings exist in chair forms.
