Research Article
Phytoconstituent Isolation and Cytotoxicity Evaluation of the Egyptian Cassia occidentalis L. Possessing Selective Activity against Lung Carcinoma
Table 3
1H-NMR, 13C-NMR, and DEPT (400 and 100 MHz, DMSO-d6) data of compound (10).
| Carbon no. | 1H-NMR (m, in Hz) | 13C-NMR | DEPT |
| 2 | — | 164.92 | C |
| 3 | 6.93 (1H, s) | 105.61 | CH |
| 4 | — | 182.31 | C |
| 5 | — | 161.91 | C |
| 6 | 6.20 (1H, d, J = 1.6 Hz) | 99.50 | CH |
| 7 | — | 163.65 | C |
| 8 | 6.51 (1H, d, J = 1.6 Hz) | 94.60 | CH |
| 9 | — | 157.92 | C |
| 10 | — | 104.41 | C |
| 1′ | — | 131.15 | C |
| 2′, 6′ | 8.04 (2H, d, J = 8.0 Hz) | 126.84 | CH |
| 3′, 5′ | 7.59 (3H, dd, J = 8.0, 1.8 Hz) | 129.60 | CH | 4′ | 132.48 | CH |
| 1″ | 4.81 (1H, s) | 101.91 | CH |
| 2″ | 3.08–3.63 (remaining sugar protons, m) | 72.16 | CH | 3″ | 72.85 | CH | 4″ | 73.97 | CH | 5″ | 68.16 | CH |
| 6″ | 1.10 (3H, d, J = 6.40 Hz) | 18.44 | CH |
| 5-OH | 12.80 (1H, s) | — | — |
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