3,4,18β-Cyclopropa-7β,17-dihydroxy-ent-abieta-8(14),13(15)-dien-16,12-olide

3,4,18β-Cyclopropa-7β,17-dihydroxy-ent-abieta-8(14),13(15)-dien-16,12-olide

Common Name: 3,4,18β-Cyclopropa-7β,17-dihydroxy-ent-abieta-8(14),13(15)-dien-16,12-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H26O4/c1-19-4-3-10-8-20(10,2)17(19)7-15(22)12-5-11-13(9-21)18(23)24-16(11)6-14(12)19/h5,10,14-17,21-22H,3-4,6-9H2,1-2H3/t10-,14-,15+,16-,17+,19+,20+/m1/s1

InChIKey: InChIKey=ONNYIOKWWWSKHZ-KJOPNUJFSA-N

Formula: C20H26O4

Molecular Weight: 330.418797

Exact Mass: 330.183109

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Yan, R.Y., Tan, Y.X., Cui, X.Q., Chen, R.Y., Yu, D.Q. J Nat Prod (2008) 71, 195-8

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) 33.1
2 (CH2) 19.5
3 (CH) 19.3
4 (C) 15.7
5 (CH) 43.4
6 (CH2) 34.2
7 (CH) 72.4
8 (C) 153.5
9 (CH) 42.8
10 (C) 40.8
11 (CH2) 27.5
12 (CH) 76.5
13 (C) 157.4
14 (CH) 115.3
15 (C) 120.8
16 (C) 173.9
17 (CH2) 55.4
18 (CH2) 21.6
19 (CH3) 23.9
20 (CH3) 13.6