Lophirone M hexa-acetate

Lophirone M hexa-acetate

Common Name: Lophirone M hexa-acetate

Synonyms: 4H-​1-​Benzopyran-​4-​one, 3,​5,​7-​tris(acetyloxy)​-​2-​[4-​(acetyloxy)​-​3-​[5-​(acetyloxy)​-​2-​ [4-​(acetyloxy)​phenyl]​-​4-​oxo-​4H-​1-​benzopyran-​7-​yl]​phenyl]​-​2,​3-​dihydro-​, (2R,​3R)​-

CAS Registry Number: 1027387-00-3

InChI:

InChIKey:

Formula: C42H32O16

Molecular Weight: 792.7

Exact Mass: 792.169

NMR Solvent: acetone-d6

MHz: 400.0

Calibration: TMS

NMR references: Tih, A., Ghogomu, R., Sondengam, B., Caux, C., Bodo, B. (2006). Minor Biflavonoids from Lophira alata Leaves. J. Nat. Prod. 69, 1206-1208.

Species: synthesis - Tih, A., Ghogomu, R., Sondengam, B., Caux, C., Bodo, B. (2006). Minor Biflavonoids from Lophira alata Leaves. J. Nat. Prod. 69, 1206-1208.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 5.9 d 12.5
3 5.96 d 12.5
6 7.19 d 2.1
8 7.16 d 2.1
2' 7.21 d 2.4
5' 7.23 d 8.6
6' 7.73 dd 8.6, 2.4
3" 6.59 s
6" 6.23 d 1.8
8" 6.28 d 1.8
2''', 6''' 7.64 d 8.5
3''', 5''' 7.2 d 8.5
CH3CO 2.36 s
CH3CO 2.32 s
CH3CO 2.31 s
CH3CO 2.26 s
CH3CO 2.24 s
CH3CO 2.21 s