Carnosic acid diacetate

Carnosic acid diacetate

Common Name: Carnosic acid diacetate

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C25H34O6/c1-14(2)18-13-17-9-10-19-24(5,6)11-8-12-25(19,23(28)29-7)20(17)22(31-16(4)27)21(18)30-15(3)26/h13-14,19H,8-12H2,1-7H3/t19-,25+/m0/s1

InChIKey: InChIKey=OYZXDVPSGCKVOQ-UQBPGWFLSA-N

Formula: C25H34O6

Molecular Weight: 430.534813

Exact Mass: 430.235539

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Urones, J.G., Marcos, I.S., Diez, D., Cubilla, L. Phytochemistry (1998) 48, 1035-8

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) 34.7
2 (CH2) 18.4
3 (CH2) 41.1
4 (C) 33.9
5 (CH) 53.6
6 (CH2) 19.7
7 (CH2) 31.6
8 (C) 136.7
9 (C) 131.9
10 (C) 47.6
11 (C) 138.8
12 (C) 139.7
13 (C) 141.4
14 (CH) 125
15 (CH) 27.4
16 (CH3) 22.6
17 (CH3) 22.9
18 (CH3) 32.4
19 (CH3) 19.6
20 (C) 175.1
11a (C) 168.4
11b (CH3) 20.6
12a (C) 168.1
12b (CH3) 20.3
20a (CH3) 51.6