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Position
6
7
Compound III
(400MHz)
9 1.61
Compound 3.1
(80MHz)
1 H
Compound 3.2
(300MHz)
Compound 3.3
(600MHz)
Ansell, 1989 Kang et al., 2005 Meragelman et al., 2003
1.63 1.73, m
1.63, qd
(J = 13.4, 3.2 Hz)
1.38 1.49
1.48 2.13, m 1.22
1.85 2.35, m
2.02, d
(J = 5.7 Hz)
11 3.85 4.0, m
12 1.82 1.63, m
15
16
5.72, dd
(J = 10.57, 17.21
Hz)
4.89, dd
(J = 9.28, 17.4 Hz)
5.74, septet
(J = 18.4, 8.6 Hz)
4.90, dd
(J = 2.1, 18.4 Hz)
4.96, dd
(J = 2.2, 8.5 Hz)
5.83, dd
(J = 10, 17.8 Hz)
4.94, d
(J = 10 Hz)
5.00, d
(J = 17.8 Hz)
1.78, dt
(J = 13.4, 3.2 Hz)
0.85
1.47 (α), qd
(J = 13.4, 3.1 Hz)
1.47 (β), m
2.01, dq
(J = 13.7, 3.1 Hz)
5.98, dd
(J = 17.9, 11.0 Hz)
5.09, dd
(J = 11.0, 1.2 Hz)
5.14, dd
(J = 17.9, 1.2 Hz)
17 1.01, s *1.09, s 1.05, s 0.91, s
18 0.99, s *1.10, s 1.19, s 0.99, s
19 0.78, s *0.84, s 0.69, s 0.81, s
20 0.75, s *0.92, s 0.80, s 0.93, s
* Resonance for each methyl group not specified
Table 21: 13 C NMR data for compound III (CDCl3) compared with two similar
compounds
Compound 3.1 Compound 3.2 Compound 3.3
Position Compound III (80MHz) (75MHz)
(50MHz)
Ansell, 1989 Kang et al., 2005 Meragelman et al., 2003
1 35.74 37.3 52.2 37.8
2 27.59 27.7 211.0 27.2
3 78.86 79.2 82.2 79.1
4 39.11 38.3 45.3 38.9
5 53.99 54.3 53.3 55.6
6 22.55 22.3 22.3 17.8
7 38.38 35.8 35.2 42.0
8 137.46 137.9 134.6 72.3
9 59.83 51.3 59.1 56.2
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