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. Author manuscript; available in PMC: 2021 Aug 9.
Published in final edited form as: J Nat Prod. 2020 Apr 13;83(5):1553–1562. doi: 10.1021/acs.jnatprod.0c00025

Table 2.

NMR Data From Membranoids F (10),a G (11),a and H (12)b

membranoid F (10) membranoid G (11) membranoid H (12)
pos δC, typec δHd (J in Hz) δC, typec δHd (J in Hz) δC, typec δHd (J in Hz)
1α 41.2, CH2 1.50, ov m 39.8, CH2 1.52, m 41.9, CH2 1.45, ov m
β 2.32, d (13.7) 2.23, m 2.33, d (14.3)
2α 19.9, CH2 1.69, ov m 19.9, CH2 1.73, m 20.8, CH2 1.67, m
β 1.80, m 1.80, m 1.79, m
3α 39.7, CH2 1.33, ov m 39.8, CH2 1.33, m 40.5, CH2 1.31, m
4 31.8, C 31.8, C 32.4, C
5α 50.6, CH2 1.55, d (14.2) 50.5, CH2 1.59, m 50.9, CH2 1.52, m
β 2.13, d (14.2) 2.06, m 2.16, d (14.2)
6 177.6, C 174.3, C 175.6, C
7 40.8, CH 4.73, q (6.7) 39.5, CH 4.56, q (7.3) 41.7, CH 4.64, q (7.2)
8 137.5, C 138.2, C 137.9, C
9 154.9, C 154.4, C 150.1, C
10 40.3, C 40.5, C 40.4, C
11 130.3, CH 7.76, d (8.3) 128.4, CH 7.76, d (8.3) 122.4, CH 7.65, d (8.3)
12 123.9, CH 7.73, d (8.3) 134.1, CH 7.73, d (8.3) 130.2, CH 7.30, d (8.3)
13 126.0, C 130.5, C 137.5, C
14 145.1, C 134.0, C 140.8, C
15 103.6, CH 6.14, s 92.9, CH 7.26, s 107.4, CH 5.86, s
16 168.6, C 192.5, CH 10.1, s 97.7, CH 6.98, s
17 17.7, CH3 1.73, d (7.3) 24.2, CH3 1.87, d (7.1) 17.6, CH3 1.63, d (7.1)
18 27.3, CH3 0.48, s 28.2, CH3 0.58, s 27.5, CH3 0.47, s
19 32.7, CH3 0.95, s 32.2, CH3 0.97, s 33.2, CH3 0.93, s
20 32.7, CH3 1.42, s 32.4, CH3 1.32, s 33.3, CH3 1.38, s
21 56.5, CH3 3.59, s 55.3, CH3 3.39, s
22 171.2, C
23 21.5, CH3 2.06, s
OH 5.00, bs
a

CDCl3.

b

CD3CN.

c

125 MHz.

d

500 MHz; ov = overlapped.