Table 3.

¹H NMR spectral data of berkeleypenostatins 5–7 in MeOH-d₄ (400 MHz)

	5	6	7
position	δH, mult (J in Hz)	δH, mult (J in Hz)	δH, mult (J in Hz)
2	5.99, bd (1.7)	5.98, dd (2.1, 1.8)	5.91, bs
4α	3.00, d (20.0)	2.70, ddt (19.0, 6.8, 2.1)	2.89, bs, 2H
4β	2.91, bdd (20.0, 4.6)	3.05, dd (19.0, 7.5, 1.8)
5	4.56, td (4.6, 1.3)	4.51, dddd (7.7, 7.5, 7.3, 6.8)	4.60, m
6α	1.55, td (13.6, 4.6)	1.62, m	1.50, td (12.7, 4.7)
6β	2.47, dd (13.6,7.0)	2.53, ddd (12.4, 7.3, 6.1)	2.55, dd (12.7,6.9)
7	2.99, ddd (13.6, 10.3, 7.0)	2.62, ddd (12.0, 10.0, 6.1)	2.92, m
8	2.15, dd (10.3, 6.1)	2.27, dd (10.0, 6.1)	2.34, bt (11.5)
9			4.10, d (11.5)
10	5.71, bd (6.1)	5.73, bd (6.1)	5.66, bs
12	4.61, d (8.8)	4.61, bd (8.5)	4.55, bd (6.6)
13	5.36, dd (15.2, 8.8)	5.34, dd (15.1, 8.5)	5.61, dd (15.5, 6.6)
14	5.76, dt (15.2, 6.8)	5.76, dt (15.1, 6.7)	5.74, dt (15.5, 6.8)
15	2.07, bq (6.8)	2.06, q (6.7)	2.10, q (6.8)
16	1.44, bs	1.42, bs	1.42, bs
17	1.32, bs	1.32, bs	1.32, bs
18	1.32, bs	1.32, bs	1.32, bs
19	1.32, bs	1.32, bs	1.32, bs
20	1.32, bs	1.32, bs	1.32, bs
21	0.90, t (7.0)	0.90, t, (7.0)	0.89, t (7.1)
22	1.60, bs	1.61, bs	1.67, bs
glucose
1’	4.37, d (7.8)	4.37, d, (7.9)	4.39, d (7.9)
2’	3.15, bt (7.8)	3.15, bt, (7.9)	3.14, bt (7.9)
3’	3.36, m	3.34, m	3.37, m
4’	3.29, m	3.30, m	3.28 m
5’	3.29, m	3.27, m	3.31 m
6’	3.87, d (11.7) 3.67, dd (11.7, 4.5)	3.88, bd (11.9) 3.66, dd (11.9, 5.0)	3.88 bd (11.7) 3.66 dd (11.7, 5.4)

All assignments are based on COSY, HSQC and HMBC experiments