Daphnodorin G

Daphnodorin G

Common Name: Daphnodorin G

Synonyms: 2H,13H-Furo[2,3-b:5,4-h']bis[1]benzopyran-13-one, 3,4,7a,13a-tetrahydro-3,5,10,12,13a-pentahydroxy-2,7a-bis(4-hydroxyphenyl)-, [2S-(2α,3β,7aα,13aβ)]-

CAS Registry Number: 178664-65-8

InChI:

InChIKey:

Formula: C30H22O11

Molecular Weight: 558.495

Exact Mass: 558.1162

NMR Solvent: acetone-d6

MHz: 300 (1H), 75.4 (13C)

Calibration: TMS

NMR references: Taniguchi, M., Baba, K. (1996). Three Biflavonoids From Daphne odora. Phytochemistry 42, 1447-1453.

Species: Daphne odora - Taniguchi, M., Baba, K. (1996). Three Biflavonoids From Daphne odora. Phytochemistry 42, 1447-1453.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 4.71 d 7.3
3 3.88 m
(OH or H) 4.26 d 4.9
4 2.8 dd 16.4, 5.2
4 2.55 dd 16.4, 7.8
6 6.28 s
2', 6' 7.04 d 8.8
3', 5' 6.73 d 8.8
3"-OH 5.39 s
6" 6.04 d 2.2
8" 5.75 d 2.2
2''', 6''' 7.35 d 8.8
3''', 5''' 6.81 d 8.8
OH 11.56 s
OH 10.1 s
OH 9.14 s
OH 8.81 s
OH 8.47 s

Carbon NMR Peaks

Position PPM
2 82.2
3 68.1
4 28.7
10 103.9
5 159.9
6 92.5
7 161.4
8 108
9 153.4
1' 131.1
2', 6' 129.1
3', 5' 116.1
4' 158.3
2" 118.9
3" 82.2
4" 194.5
10'' 100
5" 165.5
6" 97.6
7" 168.4
8" 95.7
9'' 163.4
1''' 126.4
2''', 6''' 129.8
3''', 5''' 115.9
4''' 159.9