. Author manuscript; available in PMC: 2010 Nov 1.

Published in final edited form as: J Nat Prod. 2009 Nov;72(11):1927–1936. doi: 10.1021/np900444m

Table 2.

¹H NMR Data^a δ (J, Hz) for 6, 8, 9, and 19–21

H	6	8	9	19	20	21
1	9.38, s	9.37, s	9.38, s	9.38, s	9.38, s	9.37, s
3	6.89, dd (2.4, 1.6)	6.90, dd (3.7, 2.6)	6.89, dd (3.2, 2.8)	6.90, dd (3.6, 24)	6.89, dd (3.6, 2.4)	6.90, dd (3.2, 2.8)
4	6.09, br s	6.08, dd (3.7, 2.6)	6.08, dd (3.2, 2.8)	6.08, dd (3.6, 2.4)	6.08, dd (3.2, 2.4)	6.08, dd (3.2, 2.8)
6	2.67, t (7.6)	2.67, t (7.6)	2.66, t (7.6)	2.67, t (7.6)	2.65, t (7.6)	2.65, t (7.6)
7	1.70, m	1.66, m	1.66, m	1.66, m	1.65, m	1.65, br s
8	1.26, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s
9	1.26, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s
10	1.26, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s
11	1.26, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s	1.27, br s
12	1.26, br s	1.27, br s	1.27, br s	1.27, br s	2.09, m	1.27, br s
13	1.26, br s	1.27, br s	1.27, br s	1.27, br s	5.37, m	1.27, br s
14	1.26, br s	1.27, br s	1.27, br s	2.06, m	5.37, m	2.08, m
15	2.05, dt (6.8, 6.4)	1.27, m	1.27, br s	5.37, m	2.82, m	5.37, m
16	5.37, m	2.02, m	1.27, br s	5.37, m	5.37, m	5.37, m
17	5.37, m	5.36, m	1.38, m	2.78, t (6.0)	5.37, m	2.82, m
18	2.78, dd (6.0, 5.6)	5.36, m	2.03, m	5.37, m	2.82, m	5.37, m
19	5.37, m	2.02, m	5.35, m	5.37, m	5.37, m	5.37, m
20	5.37, m	1.27, m	5.35, m	2.06, m	5.37, m	2.82, m
21	2.11, dt (6.8, 6.0)	1.27, br s	2.03, m	1.43 dq (7.2, 6.0)	2.09, m	5.37, m
22	1.44, m	1.44, m	1.38, m	0.92, t (7.2)	0.98, t (7.6)	5.37, m
23	1.65, m	1.66, m	1.27, br s			2.08, m
24	2.34, m	2.34, t (6.8)	1.45, m			0.99, t (7.6)
25			1.66, m
26			2.34, t (7.2)
NH	9.22, br s	9.71, br s	9.24, br s	9.47, br s	9.16, br s	9.29, br s

Bruker AMX 400 MHz spectrometer; Chemical shifts (ppm) referenced to CDCl₃ (δ_H 7.27); Numerical order groups compounds of similar chain length.