2-Acetoxy-3a,4a-epoxy-3,4-dihydrokauniolide

2-Acetoxy-3a,4a-epoxy-3,4-dihydrokauniolide

Common Name: 2-Acetoxy-3a,4a-epoxy-3,4-dihydrokauniolide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C17H20O5/c1-7-5-6-10-8(2)16(19)21-13(10)12-11(7)14(20-9(3)18)15-17(12,4)22-15/h10,12-15H,2,5-6H2,1,3-4H3/t10-,12-,13-,14-,15+,17-/m0/s1

InChIKey: InChIKey=OPZDJIAATYZTHJ-BBDFKTPWSA-N

Formula: C17H20O5

Molecular Weight: 304.33835

Exact Mass: 304.131074

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Ortega, A., Toscano, R.A., Maldonado, E. Phytochemistry (1998) 49, 1085-90

Species:

Notes: Family : Terpenoids, Type : Sesquiterpenoids, Group : Guaianes; 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) 132.2
2 (CH) 74.4
3 (CH) 64.1
4 (C) 64.7
5 (CH) 52
6 (CH) 80.9
7 (CH) 54.1
8 (CH2) 24.9
9 (CH2) 34.9
10 (C) 142.6
11 (C) 138.9
12 (C) 169
13 (CH2) 118.2
14 (CH3) 22.3
15 (CH3) 19.2
2a (C) 170.9
2b (CH3) 20.7