3,4,5-Trimethyl-5-hydroxy-7,9-dimethoxynaphtho[2,3-b]furan-8(5H)-one

3,4,5-Trimethyl-5-hydroxy-7,9-dimethoxynaphtho[2,3-b]furan-8(5H)-one

Common Name: 3,4,5-Trimethyl-5-hydroxy-7,9-dimethoxynaphtho[2,3-b]furan-8(5H)-one

Synonyms: 3,4,5-Trimethyl-5-hydroxy-7,9-dimethoxynaphtho[2,3-b]furan-8(5H)-one

CAS Registry Number:

InChI: InChI=1S/C17H18O5/c1-8-7-22-16-11(8)9(2)13-12(15(16)21-5)14(18)10(20-4)6-17(13,3)19/h6-7,19H,1-5H3

InChIKey: InChIKey=ZSZNQNMKQOVZAE-UHFFFAOYSA-N

Formula: C17H18O5

Molecular Weight: 302.322468

Exact Mass: 302.115424

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Burgueno-Tapia, E., Bucio, M.A., Rivera, A., Joseph-Nathan, P. J Nat Prod (2001) 64, 518-21

Species:

Notes: Family : Terpenoids, Type : Sesquiterpenoids, Group : Cacalols; 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) 180.1
2 (C) 148
3 (CH) 120.7
4 (C) 70.9
5 (C) 138.4
6 (C) 127.1
7 (C) 134.2
8 (C) 147.1
9 (C) 144.1
10 (C) 119.3
11 (C) 117.6
12 (CH) 144.6
13 (CH3) 11.5
14 (CH3) 17.3
15 (CH3) 29.8
2a (CH3) 55
9a (CH3) 55