12-Methoxy-11,20-epoxyabieta-8,11,13-trien-20-one

12-Methoxy-11,20-epoxyabieta-8,11,13-trien-20-one

Common Name: 12-Methoxy-11,20-epoxyabieta-8,11,13-trien-20-one

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H28O3/c1-12(2)14-11-13-7-8-15-20(3,4)9-6-10-21(15)16(13)18(17(14)23-5)24-19(21)22/h11-12,15H,6-10H2,1-5H3/t15-,21+/m0/s1

InChIKey: InChIKey=SRVNMMQHMRWDTR-YCRPNKLZSA-N

Formula: C21H28O3

Molecular Weight: 328.44601

Exact Mass: 328.203845

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Urones, J.G., Marcos, I.S., Diez, D., Cubilla, L. Phytochemistry (1998) 48, 1035-8

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) 42.1
2 (CH2) 18.3
3 (CH2) 38.6
4 (C) 32.8
5 (CH) 56.4
6 (CH2) 24
7 (CH2) 32.7
8 (C) 133
9 (C) 131
10 (C) 49.1
11 (C) 142.7
12 (C) 140
13 (C) 139.8
14 (CH) 120.2
15 (CH) 27.4
16 (CH3) 22.3
17 (CH3) 22.8
18 (CH3) 31.8
19 (CH3) 23.6
20 (C) 178
12a (CH3) 60.6