(9R,10S)-rel-(-)-9,10-bis(Acetyloxy)-9,10-dihydro-5-methoxy-8,8-dimethyl-2-phenyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one

(9R,10S)-rel-(-)-9,10-bis(Acetyloxy)-9,10-dihydro-5-methoxy-8,8-dimethyl-2-phenyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one

Common Name: (9R,10S)-rel-(-)-9,10-bis(Acetyloxy)-9,10-dihydro-5-methoxy-8,8-dimethyl-2-phenyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one

Synonyms: (9R,10S)-rel-(-)-9,10-bis(Acetyloxy)-9,10-dihydro-5-methoxy-8,8-dimethyl-2-phenyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one

CAS Registry Number:

InChI: InChI=1S/C25H24O8/c1-13(26)30-23-21-19(33-25(3,4)24(23)31-14(2)27)12-18(29-5)20-16(28)11-17(32-22(20)21)15-9-7-6-8-10-15/h6-12,23-24H,1-5H3/t23-,24+/m0/s1

InChIKey: InChIKey=WFAOFDKMYNXISN-BJKOFHAPSA-N

Formula: C25H24O8

Molecular Weight: 452.454215

Exact Mass: 452.147118

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Carcache-Blanco, E.J., Kang, Y.H., Park, E.J., Su, B.N., Kardono, L.B., Riswan, S., Fong, H.H., Pezzuto, J.M., Kinghorn, A.D. J Nat Prod (2003) 66, 1197-202

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavones; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)

Carbon NMR Peaks

Position PPM
2 (C) 160.6
3 (CH) 109.3
4 (C) 177.2
5 (C) 161.7
6 (CH) 96.8
7 (C) 158.2
8 (C) 99.2
9 (C) 157.8
10 (C) 109.7
1' (C) 131.8
2' (CH) 129
3' (CH) 125.9
4' (CH) 125.9
5' (CH) 131
6' (CH) 129
2'' (C) 77.3
3'' (CH) 71.2
4'' (CH) 61.3
5'' (CH3) 26.3
6'' (CH3) 21.5
5a (CH3) 56.5
3''a (C) 169.8
3''b (CH3) 20.8
4''a (C) 170.8
4''b (CH3) 20.7