Daphnodorin H

Daphnodorin H

Common Name: Daphnodorin H

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,7aβ,13aα)]-

CAS Registry Number: 178897-27-3

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 4.66 d 7.3
3 4.02 m
(OH or H) 4.18 d 5
4 2.88 dd 16.2, 5.2
4 2.55 dd 16.2, 7.9
6 6.28 s
2', 6' 7.28 d 8.8
3', 5' 6.81 d 8.8
3"-OH 5.29 s
6" 5.95 d 2.2
8" 5.92 d 2.2
2''', 6''' 7.36 d 8.8
3''', 5''' 6.81 d 8.8
OH 11.41 s
OH 9.81 s
OH 8.94 s
OH 8.64 s
OH 8.34 s

Carbon NMR Peaks

Position PPM
2 82.3
3 67.7
4 28.9
10 104.3
5 (may be interchanged with 4''') 159.9
6 92.4
7 161.3
8 108.1
9 153.7
1' 130.8
2', 6' 129.6
3', 5' (may be interchanged with 3''', 5''') 116
4' 158.4
2" 118.8
3" 82.2
4" 194.1
10'' 100.1
5" 165.4
6" 97.5
7" 168.3
8" 95.8
9'' 163.3
1''' 126.4
2''', 6''' 129.9
3''', 5''' (may be interchanged with 3', 5') 115.9
4''' (may be interchanged with 5) 159.8