Eriocalyxin C

Eriocalyxin C

Common Name: Eriocalyxin C

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C22H28O7/c1-10(23)29-18-20-7-11(22(18)9-28-22)4-5-12(20)21-8-27-14(6-13(21)24)19(2,3)16(21)15(25)17(20)26/h11-12,14-16,18,25H,4-9H2,1-3H3/t11-,12-,14-,15+,16-,18+,20-,21-,22-/m1/s1

InChIKey: InChIKey=LNLQGCZNVNCGKW-FWNFUMLBSA-N

Formula: C22H28O7

Molecular Weight: 404.454365

Exact Mass: 404.183503

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Chen, S.N., Yue, J.M., Chen, S.Y., Lin, Z.W., Qin, G.W., Sun, H.D., Chen, Y.Z. J Nat Prod (1999) 62, 782-4

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Kauranes; 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 (C) 209.7
2 (CH2) 42.2
3 (CH) 77.5
4 (C) 38.1
5 (CH) 51.6
6 (CH) 71.9
7 (C) 208.9
8 (C) 58.1
9 (CH) 39.7
10 (C) 51.8
11 (CH2) 22.2
12 (CH2) 28.7
13 (CH) 34.9
14 (CH2) 35.7
15 (CH) 75.5
16 (C) 67.8
17 (CH2) 47.5
18 (CH3) 29.5
19 (CH3) 23.1
20 (CH2) 62.5
15a (C) 169.3
15b (CH3) 20.4