Ericoside

Ericoside

Common Name: Ericoside

Synonyms:

CAS Registry Number:

InChI:

InChIKey:

Formula: C42H40O19

Molecular Weight: 848.76

Exact Mass: 848.2164

NMR Solvent: CD3OD

MHz: 400 (1H), 100 (13C)

Calibration: calibrated based on the residual non-deuterated solvent (δH 3.31 and δC 49.1)

NMR references: Bitchagno, G., Tankeo, S., Tsopmo, A., Mpetga, S., Tchinda, A., Fobofou, S., Nkuete, A., Wessjohann, L., Kuete, V., Tane, P. (2016). Ericoside, a new antibacterial biflavonoid from Erica mannii (Ericaceae). Fitoterapia 109, 206-211.

Species: Erica mannii - Bitchagno, G., Tankeo, S., Tsopmo, A., Mpetga, S., Tchinda, A., Fobofou, S., Nkuete, A., Wessjohann, L., Kuete, V., Tane, P. (2016). Ericoside, a new antibacterial biflavonoid from Erica mannii (Ericaceae). Fitoterapia 109, 206-211.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 5.12 d 10.5
3 4.59 d 10.5
6 5.89 d 2
8 5.86 d 2
2', 6' 7.33 d 8.5
3', 5' 6.81 d 8.5
glu-1a 3.99 d 1
glu-2a 3.5 dd 1, 3.1
glu-3a 3.64 dd 3.1, 9.5
glu-4a 3.32 m
glu-5a 4.25 m
glu-6a 1.19 d 6.2
6'' 6.17 d 2
8'' 6.35 d 2
2''', 6''' 7.74 d 8.5
3''', 5''' 6.92 d 8.5
glu-1b 5.37 d 1.5
glu-2b 4.21 dd 1.5, 3.2
glu-3b 3.7 m
glu-4b 3.3 m
glu-5b 3.28 m
glu-6b 0.9 d 5.6

Carbon NMR Peaks

Position PPM
2 83.6
3 78.5
4 196.5
5 165.3
10 102
6 97.2
7 168.5
8 96.1
9 163.9
1' 128.4
2', 6' 129.8
3', 5' 116.3
4' 159.1
glu-1a 102.4
glu-2a 72
glu-3a 72.2
glu-4a 73.4
glu-5a 70.8
glu-6a 18.1
2'' 159.2
3'' 136
4'' 179.4
5'' 163
10'' 105.7
6'' 99.6
7'' 165.7
8'' 94.6
9'' 158.3
1''' 122.4
2''', 6''' 131.7
3''', 5''' 116.2
4''' 161.4
glu-1b 103.6
glu-2b 72.3
glu-3b 72.4
glu-4b 74
glu-5b 72.1
glu-6b 17.8