Dihydrolophirone C

Dihydrolophirone C

Common Name: Dihydrolophirone C

Synonyms: 1-​Propanone, 3-​[(2R,​3R)​-​3-​(2,​4-​dihydroxybenzoyl)​-​2,​3-​dihydro-​2-​(4-​hydroxyphenyl)​-​5-​benzofuranyl]​-​1-​(2,​4-​dihydroxyphenyl)​-​, rel-​(-​)​-

CAS Registry Number: 352320-06-0

InChI:

InChIKey:

Formula: C30H24O8

Molecular Weight: 512.51

Exact Mass: 512.1471

NMR Solvent: acetone-d6

MHz: 300 (1H), 75 (13C)

Calibration: TMS

NMR references: Pegnyemb, D., Tih, R., Sondengam, B., Blond, A., Bodo, B. (2001). Biflavonoids from Ochna afzelii. Phytochemistry 57, 579-582.

Species: Ochna afzelii - Pegnyemb, D., Tih, R., Sondengam, B., Blond, A., Bodo, B. (2001). Biflavonoids from Ochna afzelii. Phytochemistry 57, 579-582.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
4 7 brs
6 6.79 d 8.2
7 7.15 dd 8.2, 1.4
α 3.17 t 7.5, 7.5
β 2.88 t 7.5, 7.5
3'' 6.31 d 2.4
5'' 6.38 dd 8.8, 2.4
6'' 7.7 d 8.8
2' 7.27 m
3' 6.83 m
5' 6.83 m
6' 7.27 m
3 5.32 d 7.2
2 6.14 d 7.2
3''' 6.39 d 2.4
5''' 6.51 dd 9, 2.4
6''' 7.92 d 9
OH 12.73 s
OH 12.64 s

Carbon NMR Peaks

Position PPM
5 134.4
4 125.7
9 127.2
8 159.1
7 110
6 130.2
α1 40.2
β1 29.5
C1 204.7
1'' 113.8
2'' 165.1
3'' 103.5
4'' 166.4
5'' 108.7
6'' 133.5
1' 132.5
2' 128.4
3' 116.2
4' 158.4
5' 116.2
6' 128.4
3 57.8
2 87
C2 201.5
1''' 113.6
2''' 166.1
3''' 103.8
4''' 167.2
5''' 109.5
6''' 134.6