β-sitosterol (7), C
29
H
50
O, mp 147–149°C,
1
H NMR spectrum (400 MHz, pyridine, δ,
ppm, J/Hz): 0.67 (3H, s, Me-18) 0.81(3H, m, Me-19), 0.91 (3H, m, Me-26) 1.00 (3H, m, Me-
27) 1.02 (3H, s, Me-19) 1.04 (3H, d, J = 7.2 Hz, Me-29) 1.06 (1H, m, H-3), 5.14 (1H, H-22),
5.34 (1H, m, H-23).
13
C NMR spectrum (100 MHz, pyridine, δ, ppm, J/Hz) 37.4 (C-1), 31.7
(C-2), 71.9 (C-3), 42.4 (C-4), 140.8 (C-5), 121.8 (C-6), 31.7 (C-7), 29.2 (C-8), 50.2 (C-9),
36.1 (C-10), 23.2 (C-11), 39.8 (C-12), 40.4 (C-13), 56.9 (C-14), 24.3 (C-15), 56.9 (C-16),
56.0 (C-17), 12.0 (C-18), 19.1 (C-19), 39.8 (C-20), 23.2 (C-21), 138.4 (C-22), 129.4 (C-23),
50.2 (C-24), 34.0 (C-25), 21.2 (C-26), 23.2 (C-27), 25.3 (C-28), 12.2 (C-29) [10].
β-sitosterol-3-O-β-D-glucoside (8), C
35
H
60
O
6
.
1
H NMR spectrum (400 MHz, pyridine,
δ, ppm, J/Hz). δ
H
0.69 (3H, s, Me-18), 0.87(3H, m, Me-26), 0.89 (3H, m, Me-27) 0.91 (3H, m,
Me-29), 0.93 (3H, s, Me-19), 0.96 (3H, d, J = 7.2 Hz, Me-21), 3.99 (l H, m, H-3), 4.31 (l H,
H-l'), 4.45 (1H, m, H-6).
13
C NMR spectrum (100 Hz pyridine, δ, ppm, J/Hz): 12.3 (C-18),
12.5 (C-29), 19.3 (C-26), 19.8 (C-19), 20.3 (C-27), 21.6 (C-11), 23.7 (C-28), 24.8 (C-15),
26.7 (C-23), 28.9 (C-16), 29.8 (C-25), 30.6 (C-2), 32.4 (C-8), 32.5 (C-7), 34.5 (C-22), 36.7
(C-20), 37.3 (C-10), 37.8 (C-1), 39.7 (C-4), 40.3 (C-12), 42.8 (C-13), 46.4 (C-24), 50.7 (C-9),
56.6 (C-17), 57.2 (C-14), 63.2 (C-6'), 72.0 (C-4'), 75.7 (C-2'), 78.4 (C-5'), 78.8 (C-3'), 78.9
(C-3), 102.9 (C-1'), 122.3 (C-6), 141.2 (C-5) [10].
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