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. Author manuscript; available in PMC: 2015 Jan 24.
Published in final edited form as: J Nat Prod. 2013 Dec 13;77(1):15–21. doi: 10.1021/np400466j

Table 2.

NMR Spectroscopic Data for Napyradiomycin CNQ525.538 (2)a,b

Carbon # δC, type δH, mult. (J in Hz) COSY HMBCc
1 142.7, C
2 39.6, CH2 1.55, m
3 25.7, CH2 1.54, m
4 123.6, CH 4.84 bs H-3 3, 22, 23
5 131.6, C
6 115.1, CH 4.67, t (8.1) H-7 21, 2, 7
7 41.3, CH2 2.67, d (8.1) 1, 6, 8, 12,-20
8 83.4, C
9 78.4, C
10 50.7, CH 4.52, dd (6.3, 9.6) H-11a, H-11b 9, 11, 24, 25
11 43.7, CH2 2.55, m 8, 9, 10, 12, 13
2.57, m
12 78.6, C
13 193.2, C
14 109.7, C
15 162.6, C
16 120.6, C
17 161.7, C
18 107.7, CH 7.18, s 13, 14, 16, 17, 19, 20
19 131.8, C
20 196.4, C
21 16.2, CH3 1.28, s 1, 2, 6, 7
22 25.5, CH3 1.58, s 4, 5, 23
23 17.4, CH3 1.44, s 4, 5, 22
24 29.1, CH3 1.49, s 9, 10, 25
25 23.2, CH3 1.23, s 9, 10, 24
26 8.1, CH3 2.22, s 14, 15, 16, 18, 19
OH (15) 12.11, s 14, 15, 16
a

1H Spectra were recorded in CDCl3 at 600 MHz,

b

Assignments were made based on analysis of COSY, HMBC and HSQC data.

c

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