11,14-Dioxo-12,16-epoxy-8,12-abietadien-20,7b-olide

11,14-Dioxo-12,16-epoxy-8,12-abietadien-20,7b-olide

Common Name: 11,14-Dioxo-12,16-epoxy-8,12-abietadien-20,7b-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H22O5/c1-9-8-24-17-12(9)15(21)13-10-7-11-19(2,3)5-4-6-20(11,18(23)25-10)14(13)16(17)22/h9-11H,4-8H2,1-3H3/t9-,10?,11-,20+/m0/s1

InChIKey: InChIKey=QWHJJEUAHWWKRX-XSLQRYARSA-N

Formula: C20H22O5

Molecular Weight: 342.386439

Exact Mass: 342.146724

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Marrero, J.G., Andres, L.S., Luis, J.G. Chem Pharm Bull (2005) 53, 1524-9

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Abietanes; 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) 27
2 (CH2) 18.2
3 (CH2) 40.5
4 (C) 34.6
5 (CH) 44.8
6 (CH2) 27.7
7 (CH) 69.6
8 (C) 140.4
9 (C) 146.2
10 (C) 49.2
11 (C) 176.6
12 (C) 158.7
13 (C) 123.1
14 (C) 179.2
15 (CH) 35.2
16 (CH2) 80.6
17 (CH3) 18.7
18 (CH3) 32.2
19 (CH3) 19.5
20 (C) 173.5