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. 2013 Mar 27;7:57. doi: 10.1186/1752-153X-7-57

Table 1.

1H-NMR data of compounds 1–5 in ppm, J in Hz

COMPOUNDS
Carbon
 1a
 2a
 3b
 4b
 5b
1
 7.21 d (10.0)
 7.21 d (10.5)
 7.31 d (10.2)
 7.34 d (10.5)
 7.31 d (10.2)
2
 6.14 dd (10.5, 2.0)
 6.12 dd (10.5, 2.0)
 6.21 dd (10.2, 1.8)
 6.42, dd (10.5, 2.0)
 6.22 dd (10.2, 1.8)
3
 -
 -
 -
 -
 -
4
 5.99, d (2.0)
 6.00 d (2.0)
 6.08 d (1.8)
 6.11 d (2.0)
 6.09 d (1.8)
5
 -
 -
 -
 -
 -
6
 -
 -
 -
 -
 -
7
 2.69, 1.97 m
 2.13, 1.28 m
 2.56 d (9.0), 1.87 m
 2.57, 1.96 m
 2.66, 1.82 m
8
 2.03 m
 1.98 m
 1.86 m
 1.98 m
 1.83 m
9
 1.34 m
 1.62 m
 1.35 m
 1.48 m
 1.05 m
10
 -
 -
 -
 -
 -
11
 1.92, 1.76 m
 4.30 m
 1.91, 1.31 m,
 1.93, 1.84 m
 1.75, 1.83 m
12
 1.78, 1.28 m
 2.13, 1.28 m
 1.90, 1.16 m
 2.01, 1.45 m
 1.13, 1.92 m
13
 -
 -
 -
 -
 -
14
 1.43 m
 1.37 m
 0.93 m
 1.63 m
 1.27 m
15
 1.99, 1.67 m
 1.93, 1.80 m
 2.20, 1.30 m
 2.29, 1.95 m
 1.65, 1.38 m
16
 2.41, 1.95 m
 2.66, 1.95 m
 4.07 m
 -
 2.00, 1.51 m
17
 -
 -
 3.30 d (7.5)
 3.77 s
 3.55 t (8.7)
18
 0.92 s
 0.99 s
 0.99 s
 0.81 s
 0.81 s
19
 1.19 s
 1.18 s
 1.18 s
 1.21 s
 1.17 s
20 5.03, 5.01 s 5.04, 5.02 s 5.02 t (1.9) 5.06, 5.04 s 4.99, 5.01 s

a 500 MHz (CD3)2CO.

b 300 MHz CD3OD.