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

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

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

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

CAS Registry Number:

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

InChIKey: InChIKey=PBAXUPDMPLNUCO-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) 147.7
2 (C) 152
3 (CH) 120.1
4 (C) 134.1
5 (C) 138.4
6 (C) 70.8
7 (C) 140.8
8 (C) 144.7
9 (C) 172.7
10 (C) 125
11 (C) 120.6
12 (CH) 145.1
13 (CH3) 9
14 (CH3) 27.7
15 (CH3) 22.3
1a (CH3) 55.5
2a (CH3) 55.5