Heldrichinic acid

Heldrichinic acid

Common Name: Heldrichinic acid

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H28O4/c1-12(2)13-6-7-14-18(3)8-5-9-19(4,17(22)23)15(18)10-16(21)20(14,24)11-13/h7,13,15,24H,1,5-6,8-11H2,2-4H3,(H,22,23)/t13-,15-,18-,19-,20-/m1/s1

InChIKey: InChIKey=DPTWNVPCAHTXIV-DWCOQOHISA-N

Formula: C20H28O4

Molecular Weight: 332.434679

Exact Mass: 332.198759

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Ulubelen, A., Topcu, G., Tan, N. Phytochemistry (1995) 40, 1473-5

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) 43.1
2 (CH2) 19.6
3 (CH2) 41.2
4 (C) 35.4
5 (CH) 58
6 (CH2) 46.1
7 (C) 214.2
8 (C) 76.5
9 (C) 111.2
10 (C) 39.8
11 (CH) 110.5
12 (CH2) 30
13 (CH) 40
14 (CH2) 43.1
15 (C) 148.7
16 (CH2) 110.3
17 (CH3) 18.3
18 (C) 182.3
19 (CH3) 29.7
20 (CH3) 15.6