Long-chain fatty acid acylated derivatives of isoflavone glycosides from the rhizomes of Iris domestica
Author
Li, Jiayuan
Author
Ni, Gang
Author
Liu, Yanfei
Author
Wang, Renzhong
Author
Yu, Dequan
text
Phytochemistry
2022
112977
2022-01-31
193
1
7
http://dx.doi.org/10.1016/j.phytochem.2021.112977
journal article
10.1016/j.phytochem.2021.112977
1873-3700
8194431
Table 2 1 H (600 MHz) and 13 C (150 MHz) NMR data of compounds 4–6 (DMSO‑ d). 6| Position | 4 | | 5 | | 6 | |
|---|
| δ H | δ C | δ H | δ C | δ H | δ C |
|---|
| 2 | 8.50, s | 155.4 | 8.45, s | 154.9 | 8.45, s | 154.7 |
|---|
| 3 | | 122.1 | | 122 | | 122.2 |
|---|
| 4 | | 180.5 | | 180.7 | | 180.8 |
|---|
| 5 | | 153 | | 153 | | 153 |
|---|
| 6 | | 132.6 | | 132.5 | | 132.5 |
|---|
| 7 | | 156.5 | | 156.4 | | 156.4 |
|---|
| 8 | 6.86, s | 94.0 | 6.85, s | 94.0 | 6.85, s | 94.0 |
|---|
| 9 | | 152.3 | | 152.4 | | 152.4 |
|---|
| 10 | | 106.5 | | 106.6 | | 106.5 |
|---|
| 5-OH | 12.91, s | | 12.93, s | | 12.92, s | |
|---|
| 6-OCH3 | 3.74, s | 60.0 | 3.75, s | 60.3 | 3.75, s | 60.3 |
|---|
| 3′-OH | 9.29, s | | 9.09, s | | | |
|---|
| 4′-OH | | | | | 9.63, s | |
|---|
| 4′- | 3.69, s | 60.3 | 3.79, s | 55.6 | | |
|---|
| OCH3 5′- | 3.78, s | 55.8 | | | | |
|---|
| OCH3 1′ | | 125.9 | | 123.1 | | 121 |
|---|
| 2′ | 6.73, | 104.4 | 7.05, | 119.8 | 7.38, | 130.1 |
|---|
| d (2.3) | | d (2.3) | | d (10.3) | |
|---|
| 3′ | | 152.9 | | 111.9 | 6.84, | 115.1 |
|---|
| | | | | d (10.3) | |
|---|
| 4′ | | 136.4 | | 147.8 | | 157.6 |
|---|
| 5′ | | 150.4 | 6.95, m | 146.2 | 6.84, | 115.1 |
|---|
| | | | | d (10.3) | |
|---|
| 6′ | 6.67, | 110.3 | 6.95, m | 116.3 | 7.38, | 130.1 |
|---|
| d (2.3) | | | | d (10.3) | |
|---|
| 1′′ | 5.17, | 99.7 | 5.16, | 99.7 | 5.16, d (8.8) | 99.7 |
|---|
| d (8.8) | | d (8.6) | | | |
|---|
| 2′′ | 3.36, m | 73.0 | 3.36, m | 73.0 | 3.37, m | 73.0 |
|---|
| 3′′ | 3.34, m | 76.4 | 3.34, m | 76.4 | 3.32, m | 76.4 |
|---|
| 4′′ | 3.19, m | 70.0 | 3.18, m | 70.0 | 3.18, m | 70.0 |
|---|
| 5′′ | 3.77, m | 73.8 | 3.77, m | 73.8 | 3.77, m | 73.8 |
|---|
| 6′′ | 4.30,dd | 63.4 | 4.29,dd | 63.4 | 4.29,dd | 63.4 |
|---|
| (14.1, 2.0) | | (14.3, 2.5) | | (14.1, 2.0) | |
|---|
| 4.09,dd | | 4.09,dd | | 4.09,dd (14.1, 9.4) |
|---|
| (14.1, 9.2) | | (14.3, 9.3) | | | |
|---|
| 2′′ -OH | 5.57, | | 5.57, | | 5.56, d (6.1) | |
|---|
| d (5.5) | | d (5.6) | | | |
|---|
| 3′′ -OH | 5.32, m | | 5.32, m | | 5.33, m | |
|---|
| 4′′ -OH | 5.38, | | 5.39, | | 5.38, d (6.5) | |
|---|
| d (6.1) | | d (4.9) | | | |
|---|
| 1′′′ | | 172.7 | | 172.8 | | 172.8 |
|---|
| 5′′′ | 1.90, q | 26.6 | 1.90, q | 26.6 | 1.90, q (7.8) | 26.6 |
|---|
| (7.9) | | (7.4) | | | |
|---|
| 6′′′ | 5.28, m | 129.7 | 5.28, m | 129.7 | 5.29, m | 129.7 |
|---|
| 7′′′ | 5.28, m | 127.7 | 5.28, m | 127.8 | 5.29, m | 127.8 |
|---|
| 8′′′ | 2.67, t | 25.2 | 2.67, t | 25.2 | 2.68, t (7.0) | 25.2 |
|---|
| (6.9) | | (7.2) | | | |
|---|
| 9′′′ | 5.28, m | 127.8 | 5.28, m | 127.8 | 5.29, m | 127.8 |
|---|
| 10′′′ | 5.28, m | 129.6 | 5.28, m | 129.6 | 5.29, m | 129.6 |
|---|
| 11′′′ | 1.97, q | 26.6 | 1.97, q | 26.6 | 1.97, q (8.3) | 26.6 |
|---|
| (8.2) | | (8.5) | | | |
|---|
| 17′′′ | 2.26, m | | 2.26, m | 33.5 | 2.26, m | 33.5 |
|---|
| 18′′′ | 0.82, t | | 0.82, t | 14.0 | 0.82, t (8.0) | 14.0 |
|---|
| (8.1) | | (8.5) | | | |
|---|