Table 2.
3 a | 4 b | ||||
---|---|---|---|---|---|
Unit | Position | δC, Type | δH, Mult (J in Hz) | δC, Type | δH, Mult (J in Hz) |
Val | CO | 172.0, C | 172.8, C | ||
α | 57.1, CH | 4.43, t (9.8) | 59.4, CH | 4.10, d (9.0) | |
β | 30.3, CH | 1.89, m | 30.8, CH | 1.97, m | |
γ | 19.2, CH3 | 0.86, d (6.5) | 19.4, CH3 | 1.02, d (6.6) | |
18.8, CH3 | 0.92, d (6.5) | 19.2, CH3 | 0.91, d (6.8) | ||
NH | 6.43, d (9.1) | ||||
Pro | CO | 173.3, C | 173.7, C | ||
α | 59.5, CH | 4.31, d (5.8) | 61.7, CH | 4.35, dd (8.3, 2.4) | |
β | 29.7, CH2 | 2.13, m | 30.5, CH2 | 1.88, m | |
1.74, m | |||||
γ | 24.7, CH2 | 1.88, m | 24.2, CH2 | 1.63, m | |
1.04, m | |||||
δ | 48.1, CH2 | 3.93, m | 48.6, CH2 | 3.72, m | |
3.52, m | 3.46, m | ||||
Tyr | CO | 172.4, C | 173.9, C | ||
α | 50.6, CH | 4.54, dd (13.3, 6.6) | 51.2, CH | 4.62, dd (11.2, 4.0) | |
β | 35.9, CH2 | 2.42, dd (13.6, 9.2) | 36.0, CH2 | 2.63, dd (13.1, 11.5) | |
1.87, dd (13.2, 6.2) | 1.43, dd (13.2, 3.5) | ||||
γ | 126.6, C | 129.2, C | |||
ortho | 130.2, CH | 6.77, d (7.8) | 131.5, CH | 6.92, d (8.3) | |
meta | 115.9, CH | 6.66, d (8.0) | 115.9, CH | 6.64, d (8.4) | |
para | 155.9, C | 157.3, C | |||
NH | 6.44, d (9.1) | ||||
N-Me-Phe | CO | 168.1, C | 170.5, C | ||
α | 63.2, CH | 4.82, t (6.8) | 63.7, CH | 5.28, dd (10.9, 3.4) | |
β | 34.5, CH2 | 3.34, dd (14.0, 5.7) | 35.4, CH2 | 3.16, dd (14.3, 3.5) | |
2.52, dd (13.9, 7.8) | 2.97, dd (14.1, 9.3) | ||||
γ | 137.9, C | 139.4, C | |||
ortho | 129.4, CH | 7.13, d (7.4) | 130.7, CH | 7.28, d (7.2) | |
meta | 129.1, CH | 7.24, d (7.5) | 130.1, CH | 7.30, d (7.3) | |
para | 127.3, CH | 7.23, d (7.3) | 128.1, CH | 7.17, d (7.5) | |
N-CH3 | 29.5, CH3 | 2.87, s | 30.2, CH3 | 2.90, s | |
Ala | CO | 170.9, C | 180.8, C | ||
α | 48.5, CH | 4.67, d (7.9) | 52.1, CH | 4.19, m | |
β | 18.6, CH3 | 1.32, d (7.3) | 18.5, CH3 | 1.34, d (6.5) | |
NH | 8.16, d (8.3) | ||||
N-Ac-Thr | CO | 169.7, C | 173.0, C | ||
α | 55.4, CH | 4.69, m | 59.7, CH | 4.47, d (5.2) | |
β | 70.1, CH | 5.53, q (5.9) | 68.6, CH | 4.17, q (5.9) | |
γ | 17.0, CH3 | 1.18, d (6.5) | 19.7, CH3 | 1.21, d (6.4) | |
NH | 6.29, d (9.0) | ||||
CO | 171.8, C | 174.1, C | |||
α | 23.1, CH3 | 1.83, s | 22.8, CH3 | 2.09, s |
a,b Measured in CDCl3 and CD3OD, respectively.