ent-2,3-Seco-beyer-15-ene-2,3-dioic anhydride

ent-2,3-Seco-beyer-15-ene-2,3-dioic anhydride

Common Name: ent-2,3-Seco-beyer-15-ene-2,3-dioic anhydride

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H28O3/c1-17(2)13-6-8-20-10-9-18(3,12-20)7-5-14(20)19(13,4)11-15(21)23-16(17)22/h9-10,13-14H,5-8,11-12H2,1-4H3/t13-,14+,18-,19-,20+/m1/s1

InChIKey: InChIKey=XAVBPBNAKNBKDZ-ALUGONPKSA-N

Formula: C20H28O3

Molecular Weight: 316.435274

Exact Mass: 316.203845

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Munkombwe, N.M., Hughes, N.A., Duri, Z.J. Phytochemistry (1998) 47, 1653-5

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Beyeranes; 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) 46.4
2 (C) 176.7
3 (C) 165.6
4 (C) 39.4
5 (CH) 46.6
6 (CH2) 19.9
7 (CH2) 36.7
8 (C) 49.1
9 (CH) 53.2
10 (C) 41.4
11 (CH2) 20.7
12 (CH2) 32.5
13 (C) 43.8
14 (CH2) 60.4
15 (CH) 137.8
16 (CH) 133.8
17 (CH3) 24.7
18 (CH3) 30.4
19 (CH3) 19.8
20 (CH3) 18.9