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. Author manuscript; available in PMC: 2010 May 10.
Published in final edited form as: J Nat Prod. 2007 Sep 28;70(10):1551–1557. doi: 10.1021/np070088v

Table 1.

NMR Spectroscopic Data of Compound 1 (300 MHz, CDCl3)

position δ C δ H HMBCa
1 91.7 CH 5.87, d (1.3) 3, 4a, CO
3 140.5 CH 6.55, s 1, 4, 4a, 12,
4 116.1 qC
4a 36.7 CH 2.19, dd (8, 12) 3, 4, 5, 11
5 30.5 CH2 1.50, m 1.90, m 4a, 6
6 40.2 CH2 2.10, m 2.22, m 5, 7, 8
7 135.7 qC
8 124.3 CH 5.40, t (5.9) 9
9 25.1 CH2 2.50, m 2.10, m 8, 10
10 35.4 CH2 2.27, m 11, 19
11 151.3 qC
11a 49.9 CH 1.99, dd (1.3,12) 1, 4a, 11
12 72.4 CH 5.54, t (6.2) 3, 4, 4a, 13, 14, CO
13 32.7 CH2 1.96, m 12, 14
14 60.9 CH 2.73, t (5.9) 13
15 58.0 qC
16 19.0 CH3 1.29, s 14, 15, 17
17 24.6 CH3 1.29, s 14, 15, 16
18 17.7 CH3 1.66, s 6, 7, 8
19 113.1 CH2 4.78, s 4.87, s 10, 11, 11a,
CH3 of
 CH3COO		 21.3 CH3 2.06, s CO
CO of
 CH3COO		 169.6 qC
CH3 of
 CH3COO		 21.3 CH3 2.04, s CO
CO of
 CH3COO		 170.4 qC
a

HMBC correlations, optimized for 8 Hz, are from proton(s) stated to the indicated carbon.