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 1 1 H (600 MHz) and 13 C (150 MHz) NMR data of compounds 1–3 (DMSO‑ d). 6| Position | 1 | | 2 | | 3 | |
|---|
| δ H | δ C | δ H | δ C | δ H | δ C |
|---|
| 2 | 8.45, s | 154.9 | 8.49, s | 155.5 | 8.45, s | 154.6 |
|---|
| 3 | | 122.0 | | 122.2 | | 122.2 |
|---|
| 4 | | 180.7 | | 180.6 | | 180.8 |
|---|
| 5 | | 153.0 | | 153.1 | | 153.0 |
|---|
| 6 | | 132.5 | | 132.6 | | 132.5 |
|---|
| 7 | | 156.4 | | 156.5 | | 156.4 |
|---|
| 8 | 6.85, s | 94.0 | 6.85, s | 94.1 | 6.85, s | 94.0 |
|---|
| 9 | | 152.4 | | 152.4 | | 152.4 |
|---|
| 10 | | 106.6 | | 106.6 | | 106.5 |
|---|
| 5-OH | 12.92, s | | 12.88, s | | 12.92, s | |
|---|
| 6-OCH3 | 3.75, s | 60.3 | 3.75, s | 60.0 | 3.75, s | 60.3 |
|---|
| 3′-OH | 9.09, s | | 9.33, s | | | |
|---|
| 4′-OH | | | | | 9.63, s | |
|---|
| 4′- | 3.79, s | 55.6 | 3.69, s | 60.4 | | |
|---|
| OCH3 5′- | | | 3.78, s | 55.9 | | |
|---|
| OCH3 1′ | | 123.1 | | 125.9 | | 121.0 |
|---|
| 2′ | 7.04, | 116.3 | 6.66, | 104.4 | 7.38, | 130.1 |
|---|
| d (2.3) | | d (2.3) | | d (10.3) | |
|---|
| 3′ | | 146.2 | | 153.0 | 6.82, | 115.1 |
|---|
| | | | | d (10.3) | |
|---|
| 4′ | | 147.8 | | 136.5 | | 157.6 |
|---|
| 5′ | 6.96, m | 111.9 | | 150.4 | 6.82, | 115.1 |
|---|
| | | | | d (10.3) | |
|---|
| 6′ | 6.96, m | 119.7 | 6.72, | 110.4 | 7.38, | 130.1 |
|---|
| | | d (2.3) | | d (10.3) | |
|---|
| 1′′ | 5.16, | 99.7 | 5.16, | 99.7 | 5.16, d (8.9) | 99.7 |
|---|
| d (8.8) | | d (8.6) | | | |
|---|
| 2′′ | 3.36, m | 73.0 | 3.37, m | 73.1 | 3.37, m | 73.0 |
|---|
| 3′′ | 3.31, m | 76.4 | 3.35, m | 76.5 | 3.32, m | 76.4 |
|---|
| 4′′ | 3.18, m | 70.1 | 3.18, m | 70.1 | 3.18, m | 70.1 |
|---|
| 5′′ | 3.75, m | 73.8 | 3.77, m | 73.9 | 3.77, m | 73.8 |
|---|
| 6′′ | 4.29,dd | 63.4 | 4.29,dd | 63.5 | 4.29,dd | 63.4 |
|---|
| (14.5, 1.9) | | (14.0, 1.9) | | (14.5, 2.6) | |
|---|
| 4.09,dd (14.5, 9.5) | 4.09,dd | | 4.09,dd (14.5, 9.4) |
|---|
| | | (14.0, 9.4) | | | |
|---|
| 2′′ -OH | 5.57, | | 5.59, | | 5.56, d (6.2) | |
|---|
| d (5.8) | | d (2.6) | | | |
|---|
| 3′′ -OH | 5.31, m | | 5.33, m | | 5.30, m | |
|---|
| 4′′ -OH | 5.38, | | 5.41, | | 5.38, d (6.5) | |
|---|
| d (6.4) | | d (4.9) | | | |
|---|
| 1′′′ | | 172.8 | | 172.9 | | 172.8 |
|---|
| 2′′′ | 2.26, m | 33.5 | 2.27, m | 33.6 | 2.25, m | 33.5 |
|---|
| 14′′′ | 0.84 t (8.5) | 14.0 | 0.83, t, | 14.1 | | |
|---|
| | | (8.3) | | | |
|---|
| 16′′′ | | | | | 0.85, t (8.2) | 14.0 |
|---|