Protons1-b | Cerivastatin | M-1 | M-23 | M-24 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
δ (ppm) | Integral | Multiplicity | Coupling Const. (Hz) | δ (ppm) | Integral | Multiplicity | Coupling Const. (Hz) | δ (ppm) | Integral | Multiplicity | Coupling Const. (Hz) | δ (ppm) | Integral | Multiplicity | Coupling Const. (Hz) | |
CH3 (at CH-C2′) | 1.24 | 6 | d | 6.7 | 1.23 | 6 | d | 6.7 | 1.23 | 3 | d | 6.7 | 1.23 | 3 | d | 6.7 |
1.24 | 3 | d | 6.7 | 1.24 | 3 | d | 6.7 | |||||||||
CH3 (at CH-C6′) | 1.29 | 6 | d | 6.7 | 1.31 | 6 | d | 6.7 | 1.34 | 3 | d | 6.7 | 1.36 | 3 | d | 6.7 |
CH2-OH (at CH-C6′) | — | — | — | — | — | — | — | — | 3.87 | 2 | d | 5.4 | 3.871-c | 2 | ABX | 16.2; 6.2; 4.8 |
CH (at C2′) | 3.36 | 1 | septet | 6.7 | 3.42 | 1 | septet | 6.7 | 3.45 | 1 | septet | 6.7 | 3.45 | 1 | septet | 6.7 |
CH (at C6′) | 3.42 | 1 | septet | 6.7 | 3.50 | 1 | septet | 6.7 | 3.37 | 1 | m | — | 3.50 | 1 | m | — |
−CH2OCH3 (at C5′) | 4.081-c | 2 | AB | 10.3 | — | — | — | — | 4.111-c | 2 | AB | 10.3 | — | — | — | — |
3.15 | 3 | s | — | — | — | — | — | 3.16 | 3 | s | — | — | — | — | — | |
−CH2OH (at C5′) | — | — | — | — | 4.321-c | 2 | AB | 11.3 | — | — | — | — | 4.331-c | 2 | AB | 11.3 |
H-2a | 2.26 | 1 | dd | 15.3; 4.4 | 2.26 | 1 | dd | 15.4; 4.4 | 2.26 | 1 | dd | 15.3; 4.5 | 2.26 | 1 | dd | 15.2; 4.3 |
H-2b | 2.17 | 1 | dd | 15.3; 8.0 | 2.16 | 1 | dd | 15.4; 8.0 | 2.17 | 1 | dd | 15.3; 7.9 | 2.17 | 1 | dd | 15.2; 7.8 |
H-3 | 3.74 | 1 | m | — | 3.76 | 1 | m | — | 3.75 | 1 | m | — | 3.75 | 1 | m | — |
H-4a | 1.52 | 1 | ddd | 13.8; 9.1; 7.2 | 1.52 | 1 | ddd | 13.7; 8.9; 9.3 | 1.52 | 1 | ddd | 13.7; 8.9; 7.3 | 1.51 | 1 | ddd | 13.7; 8.8; 7.2 |
H-4b | 1.27 | 1 | m | 1.27 | 1 | ddd | 13.7; 6.5; 4.1 | 1.27 | 1 | ddd | 13.7; 6.4; 4.2 | 1.26 | 1 | ddd | 13.7; 6.3; 4.0 | |
H-5 | 4.17 | 1 | m | 4.17 | 1 | m | — | 4.18 | 1 | m | — | 4.18 | 1 | m | — | |
H-6 | 5.33 | 1 | dd | 16.1; 6.2 | 5.33 | 1 | dd | 16.2; 6.5 | 5.34 | 1 | dd | 16.2; 6.3 | 5.34 | 1 | dd | 16.2; 6.3 |
H-7 | 6.29 | 1 | dd | 16.1; 1.2 | 6.28 | 1 | dd | 16.2; 1.2 | 6.30 | 1 | dd | 16.2; 1.2 | 6.29 | 1 | dd | 16.2; 1.2 |
Aromatic | 7.10–7.18 | 4 | m | 7.10–7.21 | 4 | m | — | 7.13–7.17 | 4 | m | — | 7.11–7.22 | 4 | m | — |