(4aS)-3,5beta,8abeta-Trimethyl-8alpha-methoxy-4aalpha,5,6,7,8,8a-hexahydronaphtho[2,3-b]furan-4,9-dione

(4aS)-3,5beta,8abeta-Trimethyl-8alpha-methoxy-4aalpha,5,6,7,8,8a-hexahydronaphtho[2,3-b]furan-4,9-dione

Common Name: (4aS)-3,5beta,8abeta-Trimethyl-8alpha-methoxy-4aalpha,5,6,7,8,8a-hexahydronaphtho[2,3-b]furan-4,9-dione

Synonyms: (4aS)-3,5beta,8abeta-Trimethyl-8alpha-methoxy-4aalpha,5,6,7,8,8a-hexahydronaphtho[2,3-b]furan-4,9-dione

CAS Registry Number:

InChI: InChI=1S/C16H20O4/c1-8-5-6-10(19-4)16(3)12(8)13(17)11-9(2)7-20-14(11)15(16)18/h7-8,10,12H,5-6H2,1-4H3/t8-,10-,12+,16-/m0/s1

InChIKey: InChIKey=YEGPUBDKKHEGOC-SLLFNTCVSA-N

Formula: C16H20O4

Molecular Weight: 276.328209

Exact Mass: 276.136159

NMR Solvent: DMSO-d6

MHz:

Calibration:

NMR references: 13C - Wu, B., Qu, H.B., Cheng, Y.Y. Helv Chim Acta (2008) 91, 725-33

Species:

Notes: Family : Terpenoids, Type : Sesquiterpenoids, Group : Eudesmanes; 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 (CH) 70.4
2 (CH2) 40.6
3 (CH2) 26
4 (CH) 46.1
5 (CH) 50.3
6 (C) 185.8
7 (C) 133.6
8 (C) 162.2
9 (C) 193.4
10 (C) 53.7
11 (C) 124.6
12 (CH) 144.7
13 (CH3) 10.2
14 (CH3) 12
15 (CH3) 17.2
1a (CH3) 52.6