.4. Spectrometric identification of

.4. Spectrometric identi
fi
cation of compound
1
(3
β
,5
α
,6
β
,25
R
)-6-[(
β
-
D
-Glucopyranosyl)oxy]-spirostan-3-
yl
O
-
β
-
D
-glucopyranosyl-(1
→
2)-
O
-[
β
-
D
-glucopyranosyl-
(1
→
3)]-
β
-
D
-galactopyranoside (
1
): amorphous powder, mp
273
–
275 °C; [
α
]
D
25
–
58° (
c
0.1, CHCl
3
-MeOH (1:1)). IR
ν
max
(KBr): 3380 (OH), 2935 (CH), 1445, 1375, 1235, 1150, 1050, 915,
898, 860, 745 cm
−
1
.
1
H NMR (pyridine-
d
5
):
δ
3.93 (1 H,
m
,H-3),
0.95 (1 H,
m
,H-5),3.88(1H,
m
, H-6), 4.45 (1 H,
m
,H-16),0.86(3
H,
s
,H-18),1.20(3H,
s
,H-19),1.84(1H,
m
,H-20),1.17(3H,
d
,
J
=6.7Hz,H-21),1.46(1H,
m
,H-25),3.38(1H,
dd
,
J
=10.7,

Results (Indonesian) 1:

.4. Memenuhi lowon spectrometricFikation senyawa1(3Β, 5Α, 6Β, 25R)-6-[(Β-D-Glucopyranosyl) oxy] - spirostan - 3 -YLO-Β-D-glucopyranosyl-(1→2)-O-[Β-D-glucopyranosyl-(1→3)]-Β-D-galactopyranoside)1): bubuk amorf, mp273–275 ° C; [Α]D25–58°)c0.1, CHCl3-MeOH (1:1)). IRΝMax(KBr): 3380 (OH), 2935 (CH), 1445, 1375, 1235, 1150, 1050, 915,898, 860, 745 cm−1.1NMR H (piridina-d5):Δ3,93 (1 H,mH-3),0,95 (1 H,mH-5), 3.88 (1 H,mH-6), 4,45 (1 H,mH-16), 0.86 (3H,sH-18), 1,20 (3 H,sH-19), YAITU 1.84 (1 H,mH-20), 1,17 (3 H,d,J= 6.7 Hz, H-21), 1.46 (1 H,mH-25), 3.38 (1 H,DD,J= 10.7,