Methyl 12b-acetoxysandaracopimarate

Methyl 12b-acetoxysandaracopimarate

Common Name: Methyl 12b-acetoxysandaracopimarate

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C23H34O4/c1-7-21(3)14-16-9-10-18-22(4,17(16)13-19(21)27-15(2)24)11-8-12-23(18,5)20(25)26-6/h7,9,17-19H,1,8,10-14H2,2-6H3/t17-,18?,19+,21+,22+,23+/m0/s1

InChIKey: InChIKey=WBAFGFSOTAHUMN-ARCXIGLMSA-N

Formula: C23H34O4

Molecular Weight: 374.514531

Exact Mass: 374.24571

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Barrero A.F., Quilez del Moral J.F., Lucas R., Paya M., Akssira M., Akaad S., Mellouki F. J Nat Prod (2003) 66, 844-50

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Pimaranes; 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) 38.8
2 (CH2) 18
3 (CH2) 37
4 (C) 46.6
5 (CH) 45
6 (CH2) 25.3
7 (CH) 122.3
8 (C) 133.2
9 (CH) 50.4
10 (C) 35.1
11 (CH2) 25.6
12 (CH) 76.7
13 (C) 41
14 (CH2) 45.5
15 (CH) 145.9
16 (CH2) 112.4
17 (CH3) 15.2
18 (C) 179.2
19 (CH3) 17.4
20 (CH3) 15.5
12a (C) 170.7
12b (CH3) 21.3
18a (CH3) 52.1