Research Article
Componential Profile and Amylase Inhibiting Activity of Phenolic Compounds from Calendula officinalis L. Leaves
Table 2
-NMR and
-NMR data of compound
6.
| | Atom no. | DEPT | (mult., in Hz) | |
| | 1 | C | | 120.3 | | 2 | CH | 7.52 (1H, d, 1.9) | 112.7 | | 3 | C | | 147.5 | | 4 | C | | 153.4 | | 5 | CH | 6.80 (1H, d, 8.0) | 115.4 | | 6 | CH | 7.63 (1H, dd, 8.0, 1.9) | 125.6 | | 7 | C | | 166.7 | | 4-OCH3 | CH3 | 3.97 (3H, s) | 56.3 | | 1′ | CH | 4.56 (1H, d, 7.2) | 98.3 | | 2′ | CH | 3.39–3.62 (4H, m) | 73.4 | | 3′ | CH | 78.7 | | 4′ | CH | 70.3 | | 5′ | CH | 74.5 | | 6′ | CH2 | 4.37 (1H, dd, 11.9, 2.0)
4.05 (1H, dd, 11.9, 7.4) | 64.2 |
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