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. Author manuscript; available in PMC: 2013 Feb 24.
Published in final edited form as: J Nat Prod. 2012 Jan 25;75(2):262–266. doi: 10.1021/np200528n

Table 1.

13C and 1H NMR Data for Compounds 1, 2, and 8 in CDCl3.a

1 2 8
no. δC, mult.d δH, mult. (J in Hz)b δC, mult. d δH, mult. (J in Hz)b δC, mult. d δH, mult. (J in Hz)c
1 75.5, CH 4.78, bs 76.3, CH 5.01, bs 173.4, C
2 22.7, CH2 1.85, m 23.5, CH2 1.92, dt (14.5, 3.1) 28.6, CH2 2.46, m
1.76, m 1.76, dq (14.5, 3.5) 2.11, m
3 34.7, CH2 1.69, m 34.8, CH2 1.61, td (13.7, 3.4) 32.3, CH2 2.17
1.32, dt (13.7, 3.2) 1.35, dt (13.7, 3.7) 1.97,
4 33.0, C 32.6, C 77.7, C
5 44.3, CH 1.74, dd (11.5, 6.0) 37.9, CH 2.51, dd (15.3, 5.8) 53.8 2.76
6 25.1, CH2 2.50, m 25.5, CH2 2.58, ddd (20.1, 5.7, 3.9) 27.7, CH2 1.82, m
2.21, m 2.24, m 1.35, m
7 135.7, CH 6.88, bq (3.5) 139.9, CH 7.01, t (3.5) 27.9, CH2 1.22, bs
8 126.9, C 130.4, C 29.5, CH2 1.22, bs
9 42.9, CH 3.18, m 78.0, C 29.3, CH2 1.22, bs
10 37.5, C 41.0, C 29.5, CH2 1.22, bs
11 66.7, CH2 α 4.23, t (9.2) 73.9, CH2 4.40, d (10.1) 29.3, CH2 1.22, bs
Β 4.02, t (9.2) 4.25, d (10.1)
12 169.7, C 168.5, C 31.9, CH2 1.22, bs
13 32.7, CH3 1.00, s 33.0, CH3 1.04, s 33.8, CH2 2.03, bq
1.95, m
14 21.5, CH3 0.98, s 21.6, CH3 1.03, s 139.2, CH 5.78, ddt (17.1, 10.2, 6.8)
15 13.6, CH3 0.92, s 18.6, CH3 0.92, s 114.1, CH2 4.91, dt (10.2, 1.6)
4.97, dq (17.1, 1.6)
16 174.4, C
17 174.4, C
1′ 171.5, C 170.9, C 51.9, CH3 3.64, s
2′ 57.4, CH 4.62, m 58.9, CH 4.36, dd (7.4, 5.8) 51.8, CH3 3.79, s
3′ 31.1, CH 2.21, m 29.9, CH 2.20, m 53.1 CH3 3.70, s
4′ 19.5, CH3 1.02, d (6.8) 19.4, CH3 1.02, d (7.0)
5′ 17.3, CH3 0.93, d (7.0) 17.9, CH3 0.98, d (6.8)
Ac 170.2, C 169.9, C
Ac
CH3
23.3, CH3 2.08, s 23.2, CH3 2.07, s
NH 5.90, bd (8.4) 5.94, bd (6.8)
a

All assignments are based on COSY, HSQC, HMBC and NOE experiments.

b

300 MHz for 1H NMR, HMBC, COSY.

c

500 MHz for 1H NMR, HMBC, COSY.

d

75 MHz for 13C NMR