МАШИНАСОЗЛИК ИЛМИЙ-ТЕХНИКА ЖУРНАЛИ
SCIENTIFIC AND TECHNICAL JOURNAL MACHINE BUILDING
№6 (Махсус сон), 2022 йил
web.andmiedu.uz
ISSN 2181-1539
215
(3H, s, Me-14), 6.52 (1H, s, H-3ʹ), 6.64 (1H, s, H-5ʹ), 7.62 (1H, s, H-6ʹ), 1.09 (3H, s, Me-5),
1.72 (3H, s, Me-9), 1.63 (3H, s, Me-13).
13
C NMR spectrum (100 MHz, CDCl
3
, δ, ppm):
205.8 (C-1), 37.8 (C-2), 24.2 (C-3), 127.6 (C-4), 134.1 (C-5), 37.1 (C-6), 28.0 (C-7), 78.4 (C-
8), 7.5 (C-9), 35.1 (C-10), 22.1 (C-11), 124.4 (C-12), 132.1 (C-13), 23.2 (C-14), 116.5 (C-1ʹ),
165.8 (C-2ʹ), 103.8 (C-3ʹ), 163.3 (C-4ʹ), 107.6 (C-5ʹ), 132.8 (C-6ʹ), 15.4 (C- 5-Me), 23.3 (C-
9-Me), 16.9 (C- 13-Me) [6].
8,9-oxoisopropanyldshamirone (
12), C
26
H
38
O
5
, white amorphous powder.
1
H NMR
spectrum (400 MHz, CDCl
3
, δ, ppm, J/Hz): 2.91 (2H, t,
2.84
J = 2.3 Hz H-2), 2.49-2.64 (2H,
m, H-3), 5.29 (1H, t, 7.8 Hz, H-4), 2.00-2.22 (2H, m, H-6), 1.19-164 (2H, m, H-7), 3.62 (2H,
dd,
J = 9.7; 3.1 Hz, H-8), 1.48-1.67 (2H, m, H-10), 1.09-2.04 (2H, m, H-11), 5.45 (1H, d,
J =
7.2, H-12), 1.63 (3H, s, Me-14), 6.55 (1H, s, H-3ʹ), 6.78 (1H, s, H-5ʹ), 7.66 (1H, d,
J = 7.8,
H-6ʹ), 1.89 (3H, s, Me-5), 1.88 (3H, s, Me-9), 1.69 (3H, s, Me-13), 1.39 (3H, s, Me-2ʹʹ), 1.29
(3H, s, Me-3ʹʹ).
13
C NMR spectrum (100 MHz, CDCl
3
, δ, ppm): 203.8 (C-1), 37.9 (C-2), 22.2
(C-3), 122.6 (C-4), 135.1 (C-5), 37.1 (C-6), 35.0 (C-7), 84.4 (C-8), 82.5 (C-9), 25.1 (C-10),
21.1 (C-11), 124.9 (C-12), 132.1 (C-13), 25.2 (C-14), 113.5 (C-1ʹ), 165.8 (C-2ʹ), 103.8 (C-3ʹ),
162.3 (C-4ʹ), 107.6 (C-5ʹ), 132.7 (C-6ʹ), 16.4 (C- 5-Me), 22.3 (C- 9-Me), 17.9 (C- 13-Me),
106.4 (C-1ʹʹ), 26.3 (C- 2ʹʹ-Me), 27.9 (C- 3ʹʹ-Me), [6].
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