Research Article
Antifungal Compound Isolated from Catharanthus roseus L. (Pink) for Biological Control of Root Rot Rubber Diseases
Table 2
Comparison of carbon in NMR chemical shift values of ursolic acid by [
22] and
C. roseus extract diluted with pyridine-
solution from the study.
| Position | | 13C | 1H () | 1H () |
| 1 | 39.9 | 38.2 | - | 0.95 | 2 | 28.6 | 27.1 | - | 1.30 | - | 1.80 | - | 1.80 | 3 | 78.6 | 77.4 | 3.49 dd | 3.44 (1H, dd, , 9.5 Hz) | 4 | 39.5 | 37.9 | - | - | 5 | 56.3 | 54.8 | - | 1.10 | 6 | 19.3 | 19.6 | - | 1.50 | 7 | 34.1 | 35.5 | - | 1.60 | 8 | 40.0 | 38.2 | - | - | 9 | 48.5 | 47.3 | - | 1.55 | 10 | 37.9 | 37.6 | - | - | 11 | 24.1 | 23.1 | - | 1.90 | 12 | 126.1 | 124.9 | 5.52 s | 5.47 (1H, brs) | 13 | 139.8 | 138.5 | - | - | 14 | 43.0 | 40.8 | - | - | 15 | 29.2 | 29.3 | - | 1.15 | - | 2.30 | 16 | 25.4 | 26.9 | - | 2.19 (d, , , ) | 17 | 48.5 | 46.3 | - | - | 18 | 54.0 | 54.0 | 2.68 d | 2.63 (1H, ) | 19 | 40.4 | 40.8 | - | 1.25 | 20 | 39.9 | 37.7 | - | 1.00 | 21 | 31.5 | 31.8 | - | 1.50 | 22 | 37.8 | 37.7 | - | 1.75 | 23 | 29.3 | 29.3 | 1.27 s | 1.21 (3H, s) | 24 | 17.1 | 17.0 | 0.91 s | 0.97 (3H, s) | 25 | 16.2 | 15.7 | 1.08 s | 1.04 (3H, s) | 26 | 18.0 | 17.0 | 1.05 s | 1.01 (3H, s) | 27 | 24.4 | 23.1 | 1.25 s | 1.23 (3H, s) | 28 | 180.4 | 178.1 | - | - | 29 | 17.6 | 17.0 | 1.03 d | 1.00 (3H, Hz) | 30 | 21.9 | 21.8 | 0.98 d | 0.98 (3H, Hz) |
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NMR [500 MHz in C 5D 5N] [ 22]; NMR [500 MHz in C 5D 5N] [ 22]. |