Synthetic Pipercyclobutanamide A (CDCl3, 400MHz) |
Natural Pipercyclobutanamide A (CDCl3, 400MHz) |
|
|
6.89 (d, J = 1.6 Hz, 1H) |
6.83 (d, J = 1.5 Hz) |
6.84 (d, J = 1.7 Hz, 1H) |
6.81 (s) |
6.78 (dd, J = 8.0, 2.1 Hz, 1H) |
6.81 (d, J = 1.5 Hz) |
6.77 (dd, J = 8.0, 2.0 Hz, 1H) |
6.69 (d, J = 7.9 Hz) |
6.72 (d, J = 8.0 Hz, 1H) |
6.65 (d, J = 2.0 Hz) |
6.71 (d, J = 8.0 Hz, 1H) |
6.64 (dd, J = 7.9, 2.0 Hz) |
6.45 (d, J = 15.7 Hz, 1H) |
6.32 (dd, J = 15.6 Hz) |
6.12 (ddd, J = 15.8, 5.5, 1.8 Hz, 1H) |
5.99 (d, J = 1.4 Hz) |
5.99 (d, J = 11.5 Hz, 1H) |
5.96 (d, J = 1.4 Hz) |
5.92 (s, 2H) |
5.92 (s) |
5.92-5.85 (m, 3H) |
5.86 (ddd, J = 10.0, 4.9, 2.7 Hz) |
|
5.75 (dt, J = 10.0, 1.7 Hz) |
|
5.21 (dd, J = 15.6, 10.2 Hz) |
|
4.14 (dddf, J = 9.6, 2.7, 2.7, 1.7 Hz) |
3.74 (dd, J = 10.8, 8.0 Hz, 1H) |
3.66 (dd, J = 11.7, 9.6 Hz) |
3.66-3.57 (m, 1H) |
3.56 (m) |
3.52-3.38 (m, 4H) |
3.48 (dddd, J = 5.6, 4.9, 2.7, 1.7 Hz) |
3.27-3.06 (m, 4H) |
3.31 (m) |
3.05-2.93 (m, 2H) |
2.93 (ddd, J = 11.7, 10.2, 5.6 Hz) |
1.57-1.37 (m, 8H) |
1.62 (m) |
1.34-1.19 (m, 4H) |
1.3-1.6 (m) |