4,4,8-Trimethyl-16-oxa-18-nor-5alpha-androsta-13(17),14-diene-3-one

4,4,8-Trimethyl-16-oxa-18-nor-5alpha-androsta-13(17),14-diene-3-one

Common Name: 4,4,8-Trimethyl-16-oxa-18-nor-5alpha-androsta-13(17),14-diene-3-one

Synonyms: 4,4,8-Trimethyl-16-oxa-18-nor-5alpha-androsta-13(17),14-diene-3-one

CAS Registry Number:

InChI: InChI=1S/C20H28O2/c1-18(2)15-7-9-19(3)14-12-22-11-13(14)5-6-16(19)20(15,4)10-8-17(18)21/h11-12,15-16H,5-10H2,1-4H3/t15-,16-,19-,20-/m0/s1

InChIKey: InChIKey=ZSAKOJOVIGHCNS-FVCZOJIISA-N

Formula: C20H28O2

Molecular Weight: 300.435869

Exact Mass: 300.20893

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Somerville, M.J., Mollo, E., Cimino, G., Rungprom, W., Garson, M.J. J Nat Prod (2006) 69, 1086-8

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Spongianes; 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
2 (CH2) 33.9
3 (C) 217.3
4 (C) 47.3
5 (CH) 54.8
6 (CH2) 19.7
7 (CH2) 40
8 (C) 33.9
9 (CH) 55.3
10 (C) 36.8
11 (CH2) 18.7
12 (CH2) 20.5
13 (C) 119.4
14 (C) 136.9
15 (CH) 137
16 (CH) 135
17 (CH3) 25.5
18 (CH3) 26.8
19 (CH3) 20.8
20 (CH3) 16