- offenkettig Eige
O
- ,
H2OH
36 %
64 %
·
Anteil im
Gleichgewicht D-
i-
CH2OH reduzierend ·
i
1
O
*
&H C
H H
L H - - Of -0] = CHOH OH + 1120 0 ,
1 % + 190 · Era
Hd Olf -
> -1 1 2
o
H
#Ho
I HO--H CH2Olt
HO -Tit
H43
I I
H
H Reduzierender Zucker- Zucker bei dener
o
Of
Ringform offenkettig
Of
Ringform- sind
I - -
Off -> ...
mutarotationen stattfinden kann Die zwischen-
die
.
H--Of
H--Ol S
H2Olf
H2OH Polarimeter : misst die &
Drehrichtung
zeitliche offenkettige Form kann zur
entsprechenden Linear
B-D-Glucopyranose oxidiert werden (Aldehydgr d
B-D-Fructoturanose
den Drehwinkel
Säure .
-
Carboxylgruppe ; zu
H
färbt sich Lila färbt sich braun Bausteine -D-Glucose D
# -
C -
-H
, I
-
& GOD-Test Nachweis für Glucose
H-E-C-H Verknüpfung
(
:
4-Verknüpfung
Halbaceteal
ItdV
nur 1
t
!
E
,
H
p (Gluco-test)
-
-
101
(
3
I
↓ W
H -H H -
-
Ö -
H
Gesamtstruktur Helix-Struktur
Positiv : v
-
bleibt
gelb
H- d -
-H H -
d Stäbche wird grün Funktion
Speicherform der
Spe
5
Glucose aus der
H2OH
I Glu
Photosynthese Pho
↳H20H
Saccharose
↳
TO-H
Fol
I
Halbacetal-Bildung : R-
+ H -
E-R' R-C-E-H Saccharose (Rohr/Rübenzucker) :
Ol
i H Halbacetal-
gruppe
CHLOH
Monomere
-D-Glucose ; über
:
Q
G
CH2OH
H↓ O H 1 G 1 ,
4-Glycoside
i
It
↑ I zyklisch verbunden
I
-C C H
Is
HO H I HO
of Chat
~ His 2
bH Off
I3
u G
Eigenschaften :
Haworth-Projektion :
C-C-Verbindung
·
Cyclodextrine sind nicht
.. kosidische Bindung reduzierend
CD sind wasserlöslich (OH-
I
Fischer CH2OH Gewinnung
·
: siehe AB unter
Gruppen zeigen nach außen
Links
H45 O
OH rechtsdrehend ( 70)
Eigenschaften
+
il
:
10-anomeres
-
Ober HO
~
C-Atom Tyn
H
Hydrolysat
Of und
H
Hydrolyse)
↳
Of-Gruppe ·
(Gemisch nach :
Haworth Is 12
mit Sauerstoff
gebunden Tyndall-Effekt :
I Of Linksdrehend (-20)
I
-
-
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