7b,9b-Dihydroxy-ent-abieta-8(14),13(15)-dien-12a,16-olide

7b,9b-Dihydroxy-ent-abieta-8(14),13(15)-dien-12a,16-olide

Common Name: 7b,9b-Dihydroxy-ent-abieta-8(14),13(15)-dien-12a,16-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H28O4/c1-11-12-8-13-14(21)9-16-18(2,3)6-5-7-19(16,4)20(13,23)10-15(12)24-17(11)22/h8,14-16,21,23H,5-7,9-10H2,1-4H3/t14-,15+,16+,19+,20-/m0/s1

InChIKey: InChIKey=BUMGYGSFUGTKPF-AFJOWOCMSA-N

Formula: C20H28O4

Molecular Weight: 332.434679

Exact Mass: 332.198759

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Jeske, F., Jakupovic, J., Berendsohn, W. Phytochemistry (1995) 40, 1743-50

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) 31.7
2 (CH2) 18.7
3 (CH2) 41.6
4 (C) 33.2
5 (CH) 39.9
6 (CH2) 31
7 (CH) 74.4
8 (C) 148.4
9 (C) 79.1
10 (C) 44.7
11 (CH2) 38.4
12 (CH) 77.2
13 (C) 153.9
14 (CH) 118.8
15 (C) 130
16 (C) 174.3
17 (CH3) 8.6
18 (CH3) 33.8
19 (CH3) 22
20 (CH3) 17.4