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

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

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

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

CAS Registry Number:

InChI: InChI=1S/C18H18O5/c1-8-6-12(21-5)17(23-11(4)19)15-13(8)10(3)14-9(2)7-22-18(14)16(15)20/h6-7,10H,1-5H3

InChIKey: InChIKey=SUCYIYKORLHPQR-UHFFFAOYSA-N

Formula: C18H18O5

Molecular Weight: 314.333204

Exact Mass: 314.115424

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) 138.5
2 (C) 150.2
3 (CH) 118.5
4 (C) 125.2
5 (C) 133.8
6 (CH) 30.6
7 (C) 140.5
8 (C) 146.7
9 (C) 172.4
10 (C) 137.5
11 (C) 119.8
12 (CH) 145.1
13 (CH3) 7.9
14 (CH3) 22.3
15 (CH3) 19.8
1a (C) 169.7
1b (CH3) 20.9
2a (CH3) 56.2