SYNTHETIC WORK IN CARBOHYDRATES 329 
PENTITE AND TRIOXYGLUTARIC ACIDS. 
5 
6 
7 
8 
COH 
H-OH 
HO-H 
HO-H 
CH 2 OH 
l Arabinose. 
1 Arabonic acid. 
COH 
H-OH 
H-OH 
HO-H 
CH 2 OH 
COH 
HO-H 
H-OH 
H-OH 
CH 2 OH 
d Arabinose. 
COH 
HO— —H 
HO-H 
H-OH 
CH 2 OH 
11 
12 
C 
H — 
HO¬ 
HO— 
C 
l Trioxyglut; 
l Arabite. 
:ooh 
— OH 
— H 
— H 
:ooh 
me acid. 
HO — 
H — 
H — 
( 
COOH 
— H 
— OH 
— OH 
:ooh 
SACCHARIC ACIDS. — a. MANNITE GROUP. 
i 7 
18 
19 
20 
COH 
COH 
COH 
COH 
HO — 
— H 
H — 
— OH 
H — 
— OH 
HO¬ 
— H 
H — 
— OH 
H — 
— OH 
HO — 
— H 
HO— 
— H 
HO¬ 
— H 
HO — 
— H 
H — 
— OH 
H — 
— OH 
HO— 
— H 
H — 
— OH 
H — 
— OH 
HO — 
— H 
CH 2 OH 
CH 2 OH 
CH 2 OH 
CH 2 OH 
l Glucose. 
l Gulose. 
d Glucose. 
d Gulose. 
1 Gluconic acid. 
1 Gulonic acid. 
d Gluconic acid. 
d Gulonic acid. 
ing to the above have been omitted. 
GROUP. 
3i 
3 2 
33 
34 
COH 
COH 
COH 
COH 
H — 
— OH 
H — 
— OH 
HO — 
— H 
HO¬ 
— H 
H — 
— OH 
HO¬ 
— H 
H — 
— OH 
HO— 
— H 
H — 
— OH 
HO— 
— H 
H — 
— OH 
HO — 
— H 
HO — 
— H 
HO — 
— H 
H — 
— OH 
H — 
— OH 
CH 2 OH 
CH 2 OH 
CH 2 OH 
CH 2 OH 
d Talose. 
d Talonic acid. 
