Angustanoic acid C

Angustanoic acid C

Common Name: Angustanoic acid C

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H28O4/c1-13(2)19-10-11-20(24-23-19)14(12-19)6-7-15-17(3,16(21)22)8-5-9-18(15,20)4/h12,15H,1,5-11H2,2-4H3,(H,21,22)/t15-,17-,18-,19+,20-/m0/s1

InChIKey: InChIKey=WMBGNPQDZHRODL-XCZFOBESSA-N

Formula: C20H28O4

Molecular Weight: 332.434679

Exact Mass: 332.198759

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) 34.7
2 (CH2) 19.1
3 (CH2) 38.1
4 (C) 44.5
5 (CH) 47.9
6 (CH2) 20.3
7 (CH2) 26.5
8 (C) 143.3
9 (C) 81.9
10 (C) 39.7
11 (CH2) 23.6
12 (CH2) 29.8
13 (C) 78.6
14 (CH) 127.3
15 (C) 144.7
16 (CH2) 113.2
17 (CH3) 19.4
18 (CH3) 29.1
19 (C) 182.9
20 (CH3) 16.9