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

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

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

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

CAS Registry Number:

InChI: InChI=1S/C16H16O4/c1-7-5-10(19-4)14(17)13-11(7)9(3)12-8(2)6-20-16(12)15(13)18/h5-6,9,17H,1-4H3

InChIKey: InChIKey=YOCKMUBDIPBIHX-UHFFFAOYSA-N

Formula: C16H16O4

Molecular Weight: 272.296446

Exact Mass: 272.104859

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) 151.8
2 (C) 146.4
3 (CH) 119
4 (C) 125.1
5 (C) 135.7
6 (CH) 30.9
7 (C) 143.6
8 (C) 145.1
9 (C) 178.6
10 (C) 116.1
11 (C) 120.6
12 (CH) 146.1
13 (CH3) 8
14 (CH3) 21.9
15 (CH3) 19
2a (CH3) 56.2