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. 2021 Dec 21;20(1):4. doi: 10.3390/md20010004

Table 2.

1H and 13C NMR data for compounds 6 and 7 (measured in DMSO-d6).

No. 6 No. 7
δC, Type a δH (J in Hz) b δC, Type a δH (J in Hz) b
1 169.9, C 2 186.9, C
2-NH 9.97, s 3 111.5, C
3 83.7, C 4 196.7, C
4 150.3, C 5 91.1, C
6 146.4, C 6 166.5, C
7 128.2, CH 7.82, dd, (8.3, 1.2) 7-NH 9.94, s
8 134.7, CH 7.91, td, (8.3, 1.6) 8 92.4, C
9 128.0, CH 7.65, td, (8.3, 1.2) 8-OCH3 51.6, CH3 3.25, s
10 126.2, CH 8.21, dd, (8.3, 1.6) 9 74.9, CH 4.40, d, (9.4)
11 120.9, C 9-OH 6.22, s, (9.4)
12 160.0, C 10 71.9, CH 4,34, t, (5.3)
14 51.3, CH 5.34, dd, (6.7, 1.2) 11 68.3, CH 4.45, m
15 30.7, CH2 β 3.31, m ; α 1.90, m 12 129.8, CH 5.42, dd, (8.7, 11.0)
16 23.9, CH3 1.90, s 13 131.9, CH 5.43, dd, (6.9, 11.0)
17 86.4, C 14 29.2, CH2 1.99, m
18 87.2, CH 5.18, d, (8.6) 15 22.2, CH2 1.30, m
19-NH 2.32, t, (8.6) 16 13.5, CH3 0.83, t, (7.4)
20 64.3, CH 3.64, m 17 5.6, CH3 1.64, s
21 169.6, C 18 196.3, C
23 135.7, C 19 133.4, C
24 114.7, CH 7.32, dd, (7.3, 1.2) 20 130.2, CH 8.25, d, (7.8)
25 129.6, CH 7.35, td, (7.3, 1.2) 21 128.3, CH 7.53, t, (7.8)
26 125.8, CH 7.24, td, (7.3, 1.2) 22 133.7, CH 7.67, t, (7.8)
27 124.8, CH 7.31, dd. (7.3, 1.2) 23 128.3, CH 7.53, t, (7.8)
28 138.8, C 24 130.2, CH 8.25, d, (7.8)
29 61.8, CH2 β 3.21, m; α 3.41, m
29-OH 4.16, t, (5.5)

a Measured at 125 MHz; b measured at 500 MHz.

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