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. Author manuscript; available in PMC: 2014 Jul 31.
Published in final edited form as: Tetrahedron Lett. 2013 May 28;54(31):4058–4060. doi: 10.1016/j.tetlet.2013.05.093

Table 1.

NMR spectroscopic data for compound 1 in CDCl3

pos. δH, mult. (J in Hz) δC COSY HMBCa
1 174.6
2a 2.03–2.08, m 31.2 3 1, 3, 4
2b 2.31–2.39, m
3a 1.95, 2.02, m 29.6 2, 4 1, 2, 4, 5, 6
3b 2.03–2.08, m 4
4 5.10–5.18, m 76.4 3, 5 1’, 3
5 5.49, ddd (1.5, 9.6, 15.8) 123.6 4, 6, 7 7
6 5.87, dd (1.7, 15.8) 132.5 4, 5, 7 4, 5, 7
7 4.50, bsb (1.5, 1.7, 1.7) 72.6 5, 6, 8 5, 6, 8, 9
8 3.59, dd (1.7, 9.6) 73.5 7, 9 7, 9, 10
9 4.99, dt (1.7, 9.6) 70.8 8, 10 1, 8, 10, 11
10a 1.49–1.57, m 31.5 11 11, 12
10b 1.82–1.91, m 11, 12
11 1.18–1.26, m 24.6
12 1.24–1.29, m 29.4
13 1.26–1.30, m 29.2
14 1.27–1.31, m 31.8
15 1.26–1.34, m 22.6
16 0.87, t (6.9) 14.1 15 14, 15
1’ 171.5
2’ 2.60, t (5.7) 29.2 3’ 1’, 3’, 4’
3’ 2.65, t (6.2) 28.8 2’ 1’, 2’, 4’
4’ 176.6
a

HMBC correlations are from proton(s) stated to the indicated carbons.

b

This is the apparent multiplicity as observed by 1H NMR. J-values were determined from homonuclear decoupling experiments.