5.4 Deoxy Sugars
rMeO-C-H
5.4
I
H-C-OH
I
HO-C-H
I
C=O
I
H-C-OI
CH20H
~
MeO-C-CHO
I
HO-C-H
I
H-C-OH
I
-O-C-H
I
CH20H
Deoxy Sugars
k~~Me
HOHi;HCHO
OH H
161
Methyl-f3-n-xylo-Hexapyranosid-4-ulose
Methyl-a-L-xylo-Hexos-2ulo-2,5-furanoside
Deoxy prefixes with a frontallocant are considered as detachable, therefore
ordered alphabetically and used indiscriminately both for trivially and for
systematically named sugars. In assigning the pertinent configurational
descriptors, interposed CH2 (and also CO) groups are again disregarded.
HC=O
I
CH2
I
H-C-OH
I
H-C-OH
I
CH20H
2-Deoxy-n-erythro-Pentose
trad.: 2-Deoxyribose
CH3
I
C=O
I
HO-C-H
I
H-C-OH
I
H-C-OH
I
H-C-OH
I
HO-C-H
I
CH20H
1-Deoxy-L-glyceron-altro-Oct -2-ulose
CH20H
I
HO-C-H
I
C=O
I
H-C-OH
I
CH2
I
H-C-OH
I
CH20H
5-Deoxy-n-arabinoHept-3-ulose