(5alpha,8beta,10beta)-18-Acetoxy-16-norcassan-13-ene-6,15-dione

(5alpha,8beta,10beta)-18-Acetoxy-16-norcassan-13-ene-6,15-dione

Common Name: (5alpha,8beta,10beta)-18-Acetoxy-16-norcassan-13-ene-6,15-dione

Synonyms: (5alpha,8beta,10beta)-18-Acetoxy-16-norcassan-13-ene-6,15-dione

CAS Registry Number:

InChI: InChI=1S/C21H30O4/c1-13-15(11-22)6-7-17-16(13)10-18(24)19-20(3,12-25-14(2)23)8-5-9-21(17,19)4/h11,16-17,19H,5-10,12H2,1-4H3/t16-,17-,19-,20-,21+/m0/s1

InChIKey: InChIKey=NSFZNZUBLBMNLD-JZTRKIHISA-N

Formula: C21H30O4

Molecular Weight: 346.461296

Exact Mass: 346.214409

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Torres-Mendoza, D., Urena Gonzalez, L.D., Ortega-Barria, E., Coley, P.D., Kursar, T.A., Capson, T.L., McPhail, K., Cubilla-Rios, L. J Nat Prod (2004) 67, 1711-5

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Cassanes; 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) 38.4
2 (CH2) 17.7
3 (CH2) 36.1
4 (C) 35.7
5 (CH) 60.3
6 (C) 209.4
7 (CH2) 46.3
8 (CH) 43.6
9 (CH) 52.9
10 (C) 41.1
11 (CH2) 20.8
12 (CH2) 23.9
13 (C) 155.4
14 (C) 134.4
15 (CH) 191.2
17 (CH3) 14.6
18 (CH2) 71.9
19 (CH3) 17.9
20 (CH3) 16.5
18a (C) 170.9
18b (CH3) 20.9