Research Article
Protective and Antioxidant Effects of a Chalconoid from Pulicaria incisa on Brain Astrocytes
Table 1
NMR data for compounds
1 and
.
| | Position | 1(C) | 2(B) | H to C |
| | 1 | 127.2 (qC) | | 127.8 (qC) | | Correlations | | 2 | 129.0 (CH) | 7.28 d (8.2) | 114.4 (CH) | 6.92 d (1.6) | 4, 6, 7 | | 3 | 115.0 (CH) | 6.85 d (8.2) | 144.5 (qC)) | | | | 4 | 157.3 (qC) | | 145.4 (qC) | | | | 5 | 115.0 (CH) | 6.85 d (8.2) | 115.1 (CH) | 6.80 d (8.0) | 1, 3, 4 | | 6 | 129.0 (CH) | 7.28 d (8.2) | 119.7 (CH) | 6.82 dd (8.0, 1.6) | 4, 7, 8 | | 7 | 72.2 (CH) | 4.50 d (11.9) | 72.1 (CH) | 4.44 d (12.4) | 9, 8 | | 8 | 82.8 (CH) | 4.95 d (11.9) | 83.4 (CH) | 4.95 d (12.4) | 7, 9 | | 9 | 196.1 (qC) | | 196.5 (qC) | | | | 1′ | 101.0 (qC) | | 101.0 (qC) | | | | 2′ | 163.3 (qC) | | 163.3 (qC) | | | | 3′ | 94.2 (CH) | 5.98 d (1.6) | 94.2 (CH) | 5.92 d (1.8) | 4′, 1′ | | 4′ | 168.5 (qC) | | 168.3 (qC) | | | | 5′ | 95.0 (CH) | 6.05 d (1.6) | 95.1 (CH) | 5.95 d (1.8) | 4′, 1′ | | 6′ | 163.0 (qC) | | 162.7 (qC) | | | | OMe | 55.0 (CH3) | 3.50 s | 55.5 (CH3) | 3.75 s | 3′, 4′ |
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Recorded at 125 MHz and 500 MHz for 13C and 1H, respectively, in CDCl3; J values in Hz in parenthesis.
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