Anhydrobartramiaflavone

Anhydrobartramiaflavone

Common Name: Anhydrobartramiaflavone

Synonyms: 8,​10:18,​20-​Diethanylylidene-​10H,​20H-​tetrabenzo[b,​d,​h,​j]​[1,​7]​dioxacyclododecin-​22,​24-​dione, 3,​4,​5,​7,​13,​14,​15,​17-​octahydroxy- (9CI)

CAS Registry Number: 135117-92-9

InChI:

InChIKey:

Formula: C30H16O12

Molecular Weight: 568.446

Exact Mass: 568.0642

NMR Solvent: DMSO-d6

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

Calibration: not indicated

NMR references: Seeger, T., Geiger, H., Zinsmeister, H. (1991). Bartramiaflavone, A Macrocyclic Biflavonoid from the Moss Bartramia pomiformis. Phytochemistry 30, 1653-1656.

Species: synthesis

Notes: Other reference containing NMR data: Geiger, H., Seeger, T., Hahn, H., Zinsmeister, D., Markham, K., Wong, H. (1993). 1H NMR Assignments in Biflavonoid Spectra by Proton-Detected C-H Correlation. Z. Naturforsch. 48c, 821-826.

Proton NMR Peaks

Position PPM Peak Type J (Hz)
3 6.26 s
3'' 6.26 s
6 5.74 s
6'' 5.74 s
5' 6.73 d 8
5''' 6.73 d 8
6' 6.8 d 8
6''' 6.8 d 8
OH-5 12.64 s
OH-5'' 12.64 s

Carbon NMR Peaks

Position PPM
2 167.1
3 108.9
4 181.6
5 160.4
6 98.6
7 163
8 103.1
9 154.6
10 102.7
1' 125.5
2' 119.1
3' 144.4
4' 147
5' 113.9
6' 118.7
2" 167.1
3" 108.9
4" 181.6
5" 160.4
6" 98.6
7" 163
8" 103.1
9" 154.6
10" 102.7
1''' 125.5
2''' 119.1
3''' 144.4
4''' 147
5''' 113.9
6''' 118.7