2''-Methoxydaphnodorin C

2''-Methoxydaphnodorin C

Common Name: 2''-Methoxydaphnodorin C

Synonyms: Spiro[benzofuran-​2(3H)​,​9'(8'H)​-​[2H]​furo[2,​3-​h]​[1]​benzopyran]​-​3-​one, 3',​4'-​dihydro-​4,​5',​6-​trihydroxy-​2',​8'-​bis(4-​hydroxyphenyl)​-​8'-​methoxy-​, (2S,​2'R,​8'R)​-

CAS Registry Number: 1143523-55-0

InChI:

InChIKey:

Formula: C31H24O10

Molecular Weight: 556.52

Exact Mass: 556.137

NMR Solvent: CD3OD

MHz: 600 (1H), 150 (13C)

Calibration: TMS

NMR references: Liang, S., Tang, J., Shen, Y., Jin, H., Tian, J., Wu, Z., Zhang, W., Yan, S. (2008). Biflavonoids from Daphne feddei and Their Inhibitory Activities against Nitric Oxide Production. Chem Pharm. Bull. 56, 1729-1731.

Species: Daphne feddei - Liang, S., Tang, J., Shen, Y., Jin, H., Tian, J., Wu, Z., Zhang, W., Yan, S. (2008). Biflavonoids from Daphne feddei and Their Inhibitory Activities against Nitric Oxide Production. Chem Pharm. Bull. 56, 1729-1731.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 4.78 d 10.8
3 2.59 m
3 2.69 m
4 2.2 m
4 1.7 m
6 6.16 s
2' 6.98 d 8.4
3' 6.66 d 8.4
5' 6.66 d 8.4
6' 6.98 d 8.4
6" 5.79 d 1.8
8" 5.35 d 1.8
2''' 7.16 d 8.4
3''' 6.7 d 8.4
5''' 6.7 d 8.4
6''' 7.16 d 8.4
OCH3 3.2 s

Carbon NMR Peaks

Position PPM
2 78.3
3 20.6
4 30.7
10 104.7
5 160.6
6 91.2
7 173.4
8 103.5
9 154.5
1' 133.8
2' 127.4
3' 115.8
4' 157.3
5' 115.8
6' 127.4
2" 117
3" 105.4
4" 194.3
10'' 104.7
5" 162.2
6" 97.2
7" 159.4
8" 90.8
9'' 170.8
1''' 125.6
2''' 129.5
3''' 115.9
4''' 159.2
5''' 115.9
6''' 129.5
OCH3 51.9