Angustanoic acid E

Angustanoic acid E

Common Name: Angustanoic acid E

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H26O2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22/h6,8,12,17H,1,5,7,9-11H2,2-4H3,(H,21,22)/t17-,19-,20+/m1/s1

InChIKey: InChIKey=NGBRPGLXCQJIPU-RLLQIKCJSA-N

Formula: C20H26O2

Molecular Weight: 298.419987

Exact Mass: 298.19328

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Sy, L.K., Brown, G.D. J Nat Prod (1998) 61, 907-12

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) 39.3
2 (CH2) 19.9
3 (CH2) 37.4
4 (C) 43.9
5 (CH) 52.9
6 (CH2) 20.9
7 (CH2) 32.1
8 (C) 135.1
9 (C) 147.4
10 (C) 38.5
11 (CH) 125.4
12 (CH) 123.1
13 (C) 138.3
14 (CH) 126.1
15 (C) 143
16 (CH2) 111.7
17 (CH3) 21.7
18 (CH3) 28.7
19 (C) 184.1
20 (CH3) 23.1