6-Methoxy-3,3-dimethyl-3H,7H-benzo[a]pyrano[3,2-h]xanthen-7-one

6-Methoxy-3,3-dimethyl-3H,7H-benzo[a]pyrano[3,2-h]xanthen-7-one

Common Name: 6-Methoxy-3,3-dimethyl-3H,7H-benzo[a]pyrano[3,2-h]xanthen-7-one

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C23H18O4/c1-23(2)11-10-15-17(27-23)12-18(25-3)20-21(24)19-14-7-5-4-6-13(14)8-9-16(19)26-22(15)20/h4-12H,1-3H3

InChIKey: InChIKey=DPCNGDHCTWSELQ-UHFFFAOYSA-N

Formula: C23H18O4

Molecular Weight: 358.387479

Exact Mass: 358.120509

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Sittisombut, C., Boutefnouchet, S., Trinh Van-Dufat, H., Tian, W., Michel, S., Koch, M., Tillequin, F., Pfeiffer, B., Pierre, A. Chem Pharm Bull (2006) 54, 1113-8

Species:

Notes: Family : Aromatics, Type : Xanthones, Group : Benzoxanthones; 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 (CH) 127.3
2 (CH) 129.2
3 (CH) 125.9
4 (CH) 128.3
4a (C) 130.5
5 (CH) 135.7
6 (CH) 117.3
6a (C) 155.9
7a (C) 152.6
8 (C) 102
9 (C) 158.2
10 (CH) 96.2
11 (C) 161.6
11a (C) 108.7
12 (C) 178
12a (C) 115.6
12b (C) 131.3
1' (CH) 115.5
2' (CH) 127.4
3' (C) 78.2
4' (CH3) 28.4
5' (CH3) 28.4
1'' (CH3) 56.6