(2''S,3R,4a''S,5'R,8a''S)-2'',5'',5'',8a''-Tetramethyldecahydro-2''H-dispiro[furan-3,2'-furan-5',1''-naphthalen]-3''(4''H)-one

(2''S,3R,4a''S,5'R,8a''S)-2'',5'',5'',8a''-Tetramethyldecahydro-2''H-dispiro[furan-3,2'-furan-5',1''-naphthalen]-3''(4''H)-one

Common Name: (2''S,3R,4a''S,5'R,8a''S)-2'',5'',5'',8a''-Tetramethyldecahydro-2''H-dispiro[furan-3,2'-furan-5',1''-naphthalen]-3''(4''H)-one

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O3/c1-14-15(21)12-16-17(2,3)6-5-7-18(16,4)20(14)9-8-19(23-20)10-11-22-13-19/h14,16H,5-13H2,1-4H3/t14-,16+,18+,19?,20-/m1/s1

InChIKey: InChIKey=MZMMHTXFJCVSHW-HVQYLQKDSA-N

Formula: C20H32O3

Molecular Weight: 320.467037

Exact Mass: 320.235145

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Giang, P.M., Son, P.T., Matsunami, K., Otsuka, H. Chem Pharm Bull (2005) 53, 1475-9

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Labdanes; 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 (CH2) 39.1
2 (CH2) 18.7
3 (CH2) 41.7
4 (C) 32.7
5 (CH) 50.5
6 (CH2) 40.7
7 (C) 211
8 (CH) 46.8
9 (C) 96.5
10 (C) 42.9
11 (CH2) 38.2
12 (CH2) 29.7
13 (C) 91.3
14 (CH2) 32.9
15 (CH2) 78.1
16 (CH2) 67.7
17 (CH3) 9.1
18 (CH3) 32.7
19 (CH3) 21.3
20 (CH3) 17.8