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

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

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

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

CAS Registry Number:

InChI: InChI=1S/C17H18O4/c1-8-6-11(19-4)16(20-5)14-12(8)10(3)13-9(2)7-21-17(13)15(14)18/h6-7,10H,1-5H3

InChIKey: InChIKey=LILKIMUAZWSTDS-UHFFFAOYSA-N

Formula: C17H18O4

Molecular Weight: 286.323064

Exact Mass: 286.120509

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) 149.4
2 (C) 152
3 (CH) 119
4 (C) 131.2
5 (C) 137.9
6 (CH) 30.7
7 (C) 139.6
8 (C) 147.3
9 (C) 173.4
10 (C) 126.7
11 (C) 119.6
12 (CH) 144.7
13 (CH3) 8
14 (CH3) 22.7
15 (CH3) 19.8
1a (CH3) 56.3
2a (CH3) 56.3