1,5,6-trihydroxy-2,3-dimethoxyxanthone

1,5,6-trihydroxy-2,3-dimethoxyxanthone

Common Name: 1,5,6-trihydroxy-2,3-dimethoxyxanthone

Synonyms: 1,5,6-trihydroxy-2,3-dimethoxyxanthone

CAS Registry Number:

InChI: InChI=1S/C15H12O7/c1-20-9-5-8-10(13(19)15(9)21-2)11(17)6-3-4-7(16)12(18)14(6)22-8/h3-5,16,18-19H,1-2H3

InChIKey: InChIKey=UOHWMVPDPFYJFV-UHFFFAOYSA-N

Formula: C15H12O7

Molecular Weight: 304.252162

Exact Mass: 304.058303

NMR Solvent: DMSO-d6

MHz:

Calibration:

NMR references: 13C - Yuan, W., Zhang, L.P., Cheng, K.D., Zhu, P., Wang, Q., He, H.X., Zhu, H.X. J Nat Prod (2006) 69, 811-4

Species:

Notes: Family : Aromatics, Type : Xanthones; 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
1 (C) 153.4
2 (C) 130.9
3 (C) 159.3
4 (CH) 91
4a (C) 152.7
5 (C) 132.5
6 (C) 152
7 (CH) 112.7
8 (CH) 115.8
8a (C) 113.2
9 (C) 180.2
9a (C) 102.5
10a (C) 146.2
2a (CH3) 60.05
3a (CH3) 56.43