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. Author manuscript; available in PMC: 2018 Feb 24.
Published in final edited form as: J Nat Prod. 2017 Jan 31;80(2):427–433. doi: 10.1021/acs.jnatprod.6b00960

Table 1.

1H NMR (400 MHz) and 13C NMR (100 MHz) Data for Compounds 1 and 2 in Acetone-d6a

position 1
2
δC (type) δH (J in Hz) δC (type) δH (J in Hz)
1 169.1, C 171.6, C
2   38.7, CH2 3.55, d (17.5)
3.67, d (17.5)		   42.2, CH2 3.63, d (17.6)
4.07, d (17.6)
3 130.8, C 136.9, C
4 115.5, C 113.2, CH 6.57, s
5 151.5, C 158.2, C
6 109.6, C 107.9, C
7 151.9, C 160.5, C
8 122.0, C 116.6, C
9 196.4, C 197.3, C
10 132.5, CH 6.28, d (15.7) 132.3, CH 6.77, d (15.4)
11 156.6, CH 6.74, ddd (15.7, 9.9, 5.9) 151.3, CH 6.63, ddd (15.4, 8.9, 5.0)
12   34.3, CH2 2.21, m
2.34, m		   33.3, CH2 2.35, m
2.42, m
13   25.6, CH2 1.29, m
1.98, m		   25.0, CH2 1.64, m
1.99, m
14   34.1, CH2 1.53, m
1.85, m		   34.8, CH2 1.63, m
1.85, m
15   73.4, CH 4.90, qdd (6.3, 6.3, 2.4)   73.1, CH 4.75, m
16   20.5, CH3 1.2, d (6.3)   20.4, CH3 1.16, d (6.4)
a

All signals were assigned by the analysis of 1H–1H COSY, HSQC, and HMBC spectra.