1,5-dihydroxy-6í-methyl-6í-(4-methyl-3-pentenyl)-pyrano(2í3í:3,2)-xanthone

1,5-dihydroxy-6í-methyl-6í-(4-methyl-3-pentenyl)-pyrano(2í3í:3,2)-xanthone

Common Name: 1,5-dihydroxy-6í-methyl-6í-(4-methyl-3-pentenyl)-pyrano(2í3í:3,2)-xanthone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C23H22O5/c1-13(2)6-5-10-23(3)11-9-14-17(28-23)12-18-19(20(14)25)21(26)15-7-4-8-16(24)22(15)27-18/h4,6-9,11-12,24-25H,5,10H2,1-3H3

InChIKey: InChIKey=YEQIRHBGHQOYSJ-UHFFFAOYSA-N

Formula: C23H22O5

Molecular Weight: 378.418647

Exact Mass: 378.146724

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Cruz, F.G., Silva-Neto, J.T.d., Guedes, M.L.S. J Braz Chem Soc (2000) 12, 117-22

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) 157.8
2 (C) 104.8
3 (C) 161.3
4 (CH) 94.7
4a (C) 156.3
5 (C) 144.3
6 (CH) 120.2
7 (CH) 124
8 (CH) 116.8
8a (C) 121.1
9 (C) 180.7
9a (C) 103.8
10a (C) 144.2
2a (CH) 115.8
2b (CH) 126.5
2c (C) 81
2d (CH2) 27.7
2e (CH2) 41.7
2f (CH) 123.6
2g (C) 132
2h (CH3) 25.7
2i (CH3) 17.6
2ca (CH3) 22.6