Skip to main content
. Author manuscript; available in PMC: 2012 May 27.
Published in final edited form as: J Nat Prod. 2011 Mar 29;74(5):917–927. doi: 10.1021/np200076t

Table 2.

NMR Data for Veraguamides B (2) and C (3) in CDCl3

2 3

unit C/H no. δ Ca δH (J in Hz)b δ Ca δH (J in Hz)b
Br-Hmoyac/Hmoyad 1 170.8, C 170.8, C
2 42.3, CH 3.13, br q (7.4) 42.4, CH 3.10, br q (7.2)
3 76.4, CH 4.85, d (8.7) 76.4, CH 4.86, dt (10.4, 2.5)
4a 27.5, CH2 2.07, m 27.4, CH2 2.07, m
4b 1.60, m 1.62, m
5a 24.93, CH2 1.61, m 25.2, CH2 1.62, m
5b 1.42, m 1.44, m
6 19.2, CH2 2.21, m 18.0, CH2 2.19, m
7 38.4, C 83.6, C
8 79.4, C 68.8, CH 1.93 t (2.5)
9 14.6, CH3 1.25, d (7.4) 14.5, CH3 1.25, d (7.2)
N-Me-Val-1 1 170.7, C 170.7, C
2 65.0, CH 3.94, d (10.4) 65.0, CH 3.93, d (11.0)
3 28.26, CH 2.29, m 28.3, CH 2.28, m
4 19.57, CH3 0.98, d (6.5) 19.58, CH3 0.98, d (6.8)
5 19.55, CH3 0.92, d (6.5) 19.56, CH3 0.91, d (6.8)
N-Me 28.7, CH3 3.00, s 28.7, CH3 3.00, s
Pro 1 172.1, C 172.2, C
2 57.2, CH 4.95 dd (8.6, 4.8) 57.3, CH 4.94 dd (8.4, 5.0)
3a 29.4, CH2 2.28, m 29.5, CH2 2.28, m
3b 1.79, m 1.79, m
4a 24.99, CH2 2.04, m 24.89, CH2 2.03, m
4b 1.98, m 1.99, m
5a 47.3, CH2 3.80, dt (−16.4, 6.9) 47.3, CH2 3.84, dt (−16.8, 7.1)
5b 3.60, dt (−16.4, 6.9) 3.60, dt (−16.8, 7.1)
Hivac/Hmpad 1 165.8, C 165.9, C
2 77.2, CH 4.85, d (8.7) 76.0, CH 4.89, d (9.4)
3 29.6, CH 2.17, m 35.7, CH 1.98, m
4 18.1, CH3 1.02, t (6.6) 24.81, CH2 1.54, m
1.13, m
5 18.5, CH3 0.93, d (6.6) 10.5, CH3 0.86, t (7.3)
6 13.8, CH3 1.01, d (6.7)
N-Me-Val-2 1 169.6, C 169.6, C
2 66.1, CH 4.15, d (10.2) 66.0, CH 4.13, d (10.0)
3 28.34, CH 2.28, m 28.5, CH 2.28, m
4 20.3, CH3 0.99, d (6.8) 20.4, CH3 0.99, d (6.4)
5 20.1, CH3 1.11, d (6.8) 20.2, CH3 1.10, d (6.4)
N-Me 30.0, CH3 2.94, s 30.0, CH3 2.93, s
Val 1 173.5, C 173.4, C
2 52.8, CH 4.71, dd (8.6, 6.4) 52.8, CH 4.70, dd (8.6, 6.2)
3 32.2, CH 1.98, m 32.1, CH 1.96, m
4 20.3, CH3 0.94, d (6.4) 20.3, CH3 0.94, d (6.7)
5 17.5, CH3 0.88, d (6.4) 17.6, CH3 0.87, d (6.7)
NH 6.26, d (8.6) 6.26, d (8.6)
a

100 MHz

b

600 MHz

c

Refers to Compound 2

d

Refers to Compound 3