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. Author manuscript; available in PMC: 2011 Jul 17.
Published in final edited form as: Tetrahedron. 2010 Jul 17;66(29):5311–5320. doi: 10.1016/j.tet.2010.05.010

Table 3.

13C NMR data of compounds 2–7, and 10

Position 2a 3b 4b 5b 6b 7b 10b
1 164.8, C 156.4, C 160.4, C 158.5, C 163.1, C 161.2, C 157.6, C
2 99.0, CH 103.1, C 106.2, C 103.3, C 103.9, C 104.4, C 103.2, C
3 167.0, C 161.0, C 163.5, C 161.2, C 163.1, C 164.8, C 161.2, C
4 95.2, CH 109.1, C 107.7, C 104.3, C 105.2, C 104.6, C 108.0, C
4a 159.4, C 155.7, C 155.9, C 158.3, C 153.0, C 156.1, C 157.3, C
5 134.1, C 86.4, C 83.9, C 83.7, C 83.9, C 83.8, C 83.8, C
6 146.1, C 208.4, C 203.3, C 202.8, C 202.7, C 203.1, C 203.3, C
7 124.1, C 43.9, CH 46.9, CH 47.0, CH 46.8, CH 46.9, CH 46.9, CH
8 116.0, CH 74.0, CH 135.1, CH 135.0, CH 134.8, CH 133.5, CH 135.3, CH
8a 115.7, C 48.0, CH 133.7, C 133.4, C 133.7, C 133.5, C 133.4, C
9 181.7, C 193.8, C 179.2, C 179.1, C 178.2, C 179.0, C 179.0, C
9a 103.3, C 101.9, C 100.7, C 100.7, C 100.9, C 100.6, C 100.6, C
10a 147.6, C 88.4, C 90.5, C 90.9, C 90.3, C 90.6, C 90.9, C
11 69.7, CH 115.3, CH 21.1, CH2 115.6, CH 26.9, CH2 21.5, CH2 115.4, CH
12 76.4, CH 126.3, CH 121.5, CH 125.8, CH 91.5, CH 122.3, CH 126.0, CH
13 82.0, C 78.4, C 135.0, C 79.2, C 71.7, C 132.2, C 78.6, C
14 26.9, CH3 28.2, CH3 25.7, CH3 28.7, CH3 28.8, CH3 25.7, CH3 28.9, CH3
15 19.9, CH3 28.6, CH3 17.8, CH3 28.4, CH3 24.3, CH3 17.8, CH3 28.5, CH3
16 21.5, CH2 22.1, CH2 30.1, CH2 21.4, CH2 29.7, CH2 21.6, CH2
17 122.6, CH 121.9, CH 74.3, CH 121.7, CH 78.6, CH 122.2, CH
18 131.2, C 134.2, C 147.1, C 131.9, C 146.2, C 131.4, C
19 25.6, CH3 25.8, CH3 110.8, CH2 25.7, CH3 110.6, CH2 25.7, CH3
20 18.0, CH3 18.0, CH3 18.0, CH3 17.7, CH3 16.8, CH3 18.1, CH3
21 28.0, CH2 29.6, CH2 29.6, CH2 29.5, CH2 29.5, CH2 29.3, CH2
22 139.4, CH 137.5, CH 135.6, CH 136.4, CH 135.0, CH 138.2, CH
23 127.2, C 128.3, C 129.2, C 129.2, C 128.9, C 127.6, C
24 172.1, C 171.2, C 168.5, C 174.9, C 172.1, C 171.4, C
25 20.5, CH3 20.6, CH3 20.5, CH3 20.7, CH3 20.8, CH3 20.7, CH3
26 20.0, CH2 25.3, CH2 25.3, CH2 25.0, CH2 25.3, CH2 25.2, CH2
27 43.5, CH 49.0, CH 49.3, CH 48.8, CH 49.1, CH 49.1, CH
28 82.2, C 83.8, C 84.5, C 84.3, C 83.9, C 83.8, C
29 29.8, CH3 30.0, CH3 30.7, CH3 29.9, CH3 30.8, CH3 29.9, CH3
30 27.2, CH3 29.0, CH3 29.0, CH3 25.9, CH3 28.8, CH3 28.3, CH3
OCH3 55.8, CH3
a

Data were measured in methanol-d4 at 151 MHz.

b

Data were measured in CDCl3 at 75.5 MHz. Chemical shifts (δ) are in ppm from TMS.