Dihydrodaphnodorin B

Dihydrodaphnodorin B

Common Name: Dihydrodaphnodorin B

Synonyms: Methanone, [(2R,​3S,​8S,​9R)​-​3,​4,​8,​9-​tetrahydro-​3,​5-​dihydroxy-​2,​8-​bis(4-​hydroxyphenyl)​-​2H-​furo[2,​3-​h]​-​1-​benzopyran-​9-​yl]​(2,​4,​6-​trihydroxyphenyl)​-

CAS Registry Number: 190078-00-3

InChI:

InChIKey:

Formula: C30H24O10

Molecular Weight: 544.51

Exact Mass: 544.137

NMR Solvent: acetone-d6

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

Calibration: TMS

NMR references: Taniguchi, M., Fujiwara, A., Baba, K. (1997). Three Flavonoids from Daphne odora. Phytochemistry 45, 183-188.

Species: Daphne odora - Taniguchi, M., Fujiwara, A., Baba, K. (1997). Three Flavonoids from Daphne odora. Phytochemistry 45, 183-188.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 4.76 d 6.9
3 3.92 m
(H or OH) 4.27 d 4.8
4 2.82 dd 16, 4.9
4 2.62 dd 16, 7.5
6 6.08 s
2', 6' 7.14 d 8.6
3', 5' 7.13 d 8.6
2" 6.09 d 10.4
3" 5.94 d 10.4
7" 5.76 brs
9" 5.76 brs
2''', 6''' 6.61 d 8.6
3''', 5''' 6.7 d 8.6
OH 13.64 s
OH 9.78 s
OH 9.14 s
OH 8.39 s
OH 8.25 s
OH 8.23 s

Carbon NMR Peaks

Position PPM
2 82.4
3 69.2
10 101.2
5 (may be interchanged with 7, 9, 4', 8", 10", 4''') 165.8
6 90.5
7 (may be interchanged with 5, 9, 4', 8", 10", 4''') 165.8
8 106.6
9 (may be interchanged with 5, 7, 4', 8", 10", 4''') 162
1' 130.3
2', 6' 129
3', 5' 115.5
4' (may be interchanged with 5, 7, 9, 8", 10", 4''') 158
2" 88.8
3" 57.3
4" 202.9
5" 105.9
6" 157.8
7" 96.1
8" (may be interchanged with 5, 7, 9, 4', 10", 4''') 157.7
9" 96.1
10" (may be interchanged with 5, 7, 9, 4', 8", 4''') 157.7
1''' 131.8
2''', 6''' 130.1
3''', 5''' 116.1
4''' (may be interchanged with 5, 7, 9, 4', 8", 10") 152.4